Home / 113,696.38-156,901.62-62,710.90

Finding the Fourth Proportional to 113,696.38, 156,901.62 and 62,710.90

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Solution

The fourth proportional to 113,696.38, 156,901.62 and 62,710.90 is: 86,541.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,696.38 : 156,901.62 = 62,710.90 : x
  2. Step 2: Convert to fraction form
    113,696.38/156,901.62 = 62,710.90/x
  3. Step 3: Cross multiply
    113,696.38x = 156,901.62 × 62,710.90
  4. Step 4: Simplify right side
    113,696.38x = 9,839,441,801.66
  5. Step 5: Solve for x
    x = 9,839,441,801.66/113,696.38
  6. Step 6: Final answer
    x = 86,541.38

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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.