Home / 113,584.60-156,747.18-65,866.06

Finding the Fourth Proportional to 113,584.60, 156,747.18 and 65,866.06

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Solution

The fourth proportional to 113,584.60, 156,747.18 and 65,866.06 is: 90,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,584.60 : 156,747.18 = 65,866.06 : x
  2. Step 2: Convert to fraction form
    113,584.60/156,747.18 = 65,866.06/x
  3. Step 3: Cross multiply
    113,584.60x = 156,747.18 × 65,866.06
  4. Step 4: Simplify right side
    113,584.60x = 10,324,319,162.71
  5. Step 5: Solve for x
    x = 10,324,319,162.71/113,584.60
  6. Step 6: Final answer
    x = 90,895.41

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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.