Home / 90,934.92-125,389.89-62,259.30

Finding the Fourth Proportional to 90,934.92, 125,389.89 and 62,259.30

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Solution

The fourth proportional to 90,934.92, 125,389.89 and 62,259.30 is: 85,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.92 : 125,389.89 = 62,259.30 : x
  2. Step 2: Convert to fraction form
    90,934.92/125,389.89 = 62,259.30/x
  3. Step 3: Cross multiply
    90,934.92x = 125,389.89 × 62,259.30
  4. Step 4: Simplify right side
    90,934.92x = 7,806,686,778.48
  5. Step 5: Solve for x
    x = 7,806,686,778.48/90,934.92
  6. Step 6: Final answer
    x = 85,849.16

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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.