Home / 113,505.50-156,638.68-62,519.38

Finding the Fourth Proportional to 113,505.50, 156,638.68 and 62,519.38

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Solution

The fourth proportional to 113,505.50, 156,638.68 and 62,519.38 is: 86,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505.50 : 156,638.68 = 62,519.38 : x
  2. Step 2: Convert to fraction form
    113,505.50/156,638.68 = 62,519.38/x
  3. Step 3: Cross multiply
    113,505.50x = 156,638.68 × 62,519.38
  4. Step 4: Simplify right side
    113,505.50x = 9,792,952,609.72
  5. Step 5: Solve for x
    x = 9,792,952,609.72/113,505.50
  6. Step 6: Final answer
    x = 86,277.34

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1.5x scale

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.