Home / 113,429.52-156,531.47-62,441.16

Finding the Fourth Proportional to 113,429.52, 156,531.47 and 62,441.16

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Solution

The fourth proportional to 113,429.52, 156,531.47 and 62,441.16 is: 86,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.52 : 156,531.47 = 62,441.16 : x
  2. Step 2: Convert to fraction form
    113,429.52/156,531.47 = 62,441.16/x
  3. Step 3: Cross multiply
    113,429.52x = 156,531.47 × 62,441.16
  4. Step 4: Simplify right side
    113,429.52x = 9,774,006,251.10
  5. Step 5: Solve for x
    x = 9,774,006,251.10/113,429.52
  6. Step 6: Final answer
    x = 86,168.10

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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.