Home / 113,603.16-156,781.40-62,624.96

Finding the Fourth Proportional to 113,603.16, 156,781.40 and 62,624.96

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Solution

The fourth proportional to 113,603.16, 156,781.40 and 62,624.96 is: 86,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603.16 : 156,781.40 = 62,624.96 : x
  2. Step 2: Convert to fraction form
    113,603.16/156,781.40 = 62,624.96/x
  3. Step 3: Cross multiply
    113,603.16x = 156,781.40 × 62,624.96
  4. Step 4: Simplify right side
    113,603.16x = 9,818,428,903.74
  5. Step 5: Solve for x
    x = 9,818,428,903.74/113,603.16
  6. Step 6: Final answer
    x = 86,427.43

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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.