Home / 90,004.16-124,167.23-51,755.05

Finding the Fourth Proportional to 90,004.16, 124,167.23 and 51,755.05

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Solution

The fourth proportional to 90,004.16, 124,167.23 and 51,755.05 is: 71,399.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,004.16 : 124,167.23 = 51,755.05 : x
  2. Step 2: Convert to fraction form
    90,004.16/124,167.23 = 51,755.05/x
  3. Step 3: Cross multiply
    90,004.16x = 124,167.23 × 51,755.05
  4. Step 4: Simplify right side
    90,004.16x = 6,426,281,287.53
  5. Step 5: Solve for x
    x = 6,426,281,287.53/90,004.16
  6. Step 6: Final answer
    x = 71,399.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.