Home / 83,691.15-115,450.92-53,444.67

Finding the Fourth Proportional to 83,691.15, 115,450.92 and 53,444.67

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Solution

The fourth proportional to 83,691.15, 115,450.92 and 53,444.67 is: 73,726.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,691.15 : 115,450.92 = 53,444.67 : x
  2. Step 2: Convert to fraction form
    83,691.15/115,450.92 = 53,444.67/x
  3. Step 3: Cross multiply
    83,691.15x = 115,450.92 × 53,444.67
  4. Step 4: Simplify right side
    83,691.15x = 6,170,236,320.60
  5. Step 5: Solve for x
    x = 6,170,236,320.60/83,691.15
  6. Step 6: Final answer
    x = 73,726.27

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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.