Home / 113,728.60-156,946.70-62,743.16

Finding the Fourth Proportional to 113,728.60, 156,946.70 and 62,743.16

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Solution

The fourth proportional to 113,728.60, 156,946.70 and 62,743.16 is: 86,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,728.60 : 156,946.70 = 62,743.16 : x
  2. Step 2: Convert to fraction form
    113,728.60/156,946.70 = 62,743.16/x
  3. Step 3: Cross multiply
    113,728.60x = 156,946.70 × 62,743.16
  4. Step 4: Simplify right side
    113,728.60x = 9,847,331,909.57
  5. Step 5: Solve for x
    x = 9,847,331,909.57/113,728.60
  6. Step 6: Final answer
    x = 86,586.24

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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.