Home / 82,166.02-123,300.05-52,605.07

Finding the Fourth Proportional to 82,166.02, 123,300.05 and 52,605.07

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Solution

The fourth proportional to 82,166.02, 123,300.05 and 52,605.07 is: 78,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,166.02 : 123,300.05 = 52,605.07 : x
  2. Step 2: Convert to fraction form
    82,166.02/123,300.05 = 52,605.07/x
  3. Step 3: Cross multiply
    82,166.02x = 123,300.05 × 52,605.07
  4. Step 4: Simplify right side
    82,166.02x = 6,486,207,761.25
  5. Step 5: Solve for x
    x = 6,486,207,761.25/82,166.02
  6. Step 6: Final answer
    x = 78,940.27

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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.