Home / 82,111.11-123,166.67-47,026.23

Finding the Fourth Proportional to 82,111.11, 123,166.67 and 47,026.23

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Solution

The fourth proportional to 82,111.11, 123,166.67 and 47,026.23 is: 70,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,111.11 : 123,166.67 = 47,026.23 : x
  2. Step 2: Convert to fraction form
    82,111.11/123,166.67 = 47,026.23/x
  3. Step 3: Cross multiply
    82,111.11x = 123,166.67 × 47,026.23
  4. Step 4: Simplify right side
    82,111.11x = 5,792,063,916.62
  5. Step 5: Solve for x
    x = 5,792,063,916.62/82,111.11
  6. Step 6: Final answer
    x = 70,539.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.