Home / 90,655.13-124,974.15-63,714.02

Finding the Fourth Proportional to 90,655.13, 124,974.15 and 63,714.02

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Solution

The fourth proportional to 90,655.13, 124,974.15 and 63,714.02 is: 87,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,655.13 : 124,974.15 = 63,714.02 : x
  2. Step 2: Convert to fraction form
    90,655.13/124,974.15 = 63,714.02/x
  3. Step 3: Cross multiply
    90,655.13x = 124,974.15 × 63,714.02
  4. Step 4: Simplify right side
    90,655.13x = 7,962,604,867.71
  5. Step 5: Solve for x
    x = 7,962,604,867.71/90,655.13
  6. Step 6: Final answer
    x = 87,834.03

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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.