Home / 113,679.17-156,874.42-62,690.28

Finding the Fourth Proportional to 113,679.17, 156,874.42 and 62,690.28

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Solution

The fourth proportional to 113,679.17, 156,874.42 and 62,690.28 is: 86,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,679.17 : 156,874.42 = 62,690.28 : x
  2. Step 2: Convert to fraction form
    113,679.17/156,874.42 = 62,690.28/x
  3. Step 3: Cross multiply
    113,679.17x = 156,874.42 × 62,690.28
  4. Step 4: Simplify right side
    113,679.17x = 9,834,501,314.64
  5. Step 5: Solve for x
    x = 9,834,501,314.64/113,679.17
  6. Step 6: Final answer
    x = 86,511.02

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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.