Home / 113,583.60-156,733.92-65,851.92

Finding the Fourth Proportional to 113,583.60, 156,733.92 and 65,851.92

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Solution

The fourth proportional to 113,583.60, 156,733.92 and 65,851.92 is: 90,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,583.60 : 156,733.92 = 65,851.92 : x
  2. Step 2: Convert to fraction form
    113,583.60/156,733.92 = 65,851.92/x
  3. Step 3: Cross multiply
    113,583.60x = 156,733.92 × 65,851.92
  4. Step 4: Simplify right side
    113,583.60x = 10,321,229,561.13
  5. Step 5: Solve for x
    x = 10,321,229,561.13/113,583.60
  6. Step 6: Final answer
    x = 90,869.01

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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.