Home / 113,695.88-156,898.18-62,713.36

Finding the Fourth Proportional to 113,695.88, 156,898.18 and 62,713.36

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Solution

The fourth proportional to 113,695.88, 156,898.18 and 62,713.36 is: 86,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,695.88 : 156,898.18 = 62,713.36 : x
  2. Step 2: Convert to fraction form
    113,695.88/156,898.18 = 62,713.36/x
  3. Step 3: Cross multiply
    113,695.88x = 156,898.18 × 62,713.36
  4. Step 4: Simplify right side
    113,695.88x = 9,839,612,320.20
  5. Step 5: Solve for x
    x = 9,839,612,320.20/113,695.88
  6. Step 6: Final answer
    x = 86,543.27

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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.