Home / 113,749.85-156,983.60-62,772.71

Finding the Fourth Proportional to 113,749.85, 156,983.60 and 62,772.71

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Solution

The fourth proportional to 113,749.85, 156,983.60 and 62,772.71 is: 86,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.85 : 156,983.60 = 62,772.71 : x
  2. Step 2: Convert to fraction form
    113,749.85/156,983.60 = 62,772.71/x
  3. Step 3: Cross multiply
    113,749.85x = 156,983.60 × 62,772.71
  4. Step 4: Simplify right side
    113,749.85x = 9,854,285,369.57
  5. Step 5: Solve for x
    x = 9,854,285,369.57/113,749.85
  6. Step 6: Final answer
    x = 86,631.19

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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.