Home / 113,670.48-156,861.66-62,685.36

Finding the Fourth Proportional to 113,670.48, 156,861.66 and 62,685.36

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Solution

The fourth proportional to 113,670.48, 156,861.66 and 62,685.36 is: 86,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670.48 : 156,861.66 = 62,685.36 : x
  2. Step 2: Convert to fraction form
    113,670.48/156,861.66 = 62,685.36/x
  3. Step 3: Cross multiply
    113,670.48x = 156,861.66 × 62,685.36
  4. Step 4: Simplify right side
    113,670.48x = 9,832,929,627.30
  5. Step 5: Solve for x
    x = 9,832,929,627.30/113,670.48
  6. Step 6: Final answer
    x = 86,503.81

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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.