Home / 90,755.31-125,223.98-53,022.27

Finding the Fourth Proportional to 90,755.31, 125,223.98 and 53,022.27

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Solution

The fourth proportional to 90,755.31, 125,223.98 and 53,022.27 is: 73,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,755.31 : 125,223.98 = 53,022.27 : x
  2. Step 2: Convert to fraction form
    90,755.31/125,223.98 = 53,022.27/x
  3. Step 3: Cross multiply
    90,755.31x = 125,223.98 × 53,022.27
  4. Step 4: Simplify right side
    90,755.31x = 6,639,659,412.92
  5. Step 5: Solve for x
    x = 6,639,659,412.92/90,755.31
  6. Step 6: Final answer
    x = 73,160.01

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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.