Home / 82,195.47-123,194.06-40,012.32

Finding the Fourth Proportional to 82,195.47, 123,194.06 and 40,012.32

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Solution

The fourth proportional to 82,195.47, 123,194.06 and 40,012.32 is: 59,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,195.47 : 123,194.06 = 40,012.32 : x
  2. Step 2: Convert to fraction form
    82,195.47/123,194.06 = 40,012.32/x
  3. Step 3: Cross multiply
    82,195.47x = 123,194.06 × 40,012.32
  4. Step 4: Simplify right side
    82,195.47x = 4,929,279,950.76
  5. Step 5: Solve for x
    x = 4,929,279,950.76/82,195.47
  6. Step 6: Final answer
    x = 59,970.21

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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.