Home / 113,616.79-156,784.04-62,629.92

Finding the Fourth Proportional to 113,616.79, 156,784.04 and 62,629.92

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Solution

The fourth proportional to 113,616.79, 156,784.04 and 62,629.92 is: 86,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,616.79 : 156,784.04 = 62,629.92 : x
  2. Step 2: Convert to fraction form
    113,616.79/156,784.04 = 62,629.92/x
  3. Step 3: Cross multiply
    113,616.79x = 156,784.04 × 62,629.92
  4. Step 4: Simplify right side
    113,616.79x = 9,819,371,882.48
  5. Step 5: Solve for x
    x = 9,819,371,882.48/113,616.79
  6. Step 6: Final answer
    x = 86,425.36

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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.