Home / 113,670.54-156,861.75-62,685.42

Finding the Fourth Proportional to 113,670.54, 156,861.75 and 62,685.42

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Solution

The fourth proportional to 113,670.54, 156,861.75 and 62,685.42 is: 86,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.54 : 156,861.75 = 62,685.42 : x
  2. Step 2: Convert to fraction form
    113,670.54/156,861.75 = 62,685.42/x
  3. Step 3: Cross multiply
    113,670.54x = 156,861.75 × 62,685.42
  4. Step 4: Simplify right side
    113,670.54x = 9,832,944,680.69
  5. Step 5: Solve for x
    x = 9,832,944,680.69/113,670.54
  6. Step 6: Final answer
    x = 86,503.90

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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.