Home / 113,721.30-156,935.16-62,737.38

Finding the Fourth Proportional to 113,721.30, 156,935.16 and 62,737.38

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Solution

The fourth proportional to 113,721.30, 156,935.16 and 62,737.38 is: 86,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.30 : 156,935.16 = 62,737.38 : x
  2. Step 2: Convert to fraction form
    113,721.30/156,935.16 = 62,737.38/x
  3. Step 3: Cross multiply
    113,721.30x = 156,935.16 × 62,737.38
  4. Step 4: Simplify right side
    113,721.30x = 9,845,700,768.28
  5. Step 5: Solve for x
    x = 9,845,700,768.28/113,721.30
  6. Step 6: Final answer
    x = 86,577.46

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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.