Home / 86,073.30-129,160.26-36,149.76

Finding the Fourth Proportional to 86,073.30, 129,160.26 and 36,149.76

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Solution

The fourth proportional to 86,073.30, 129,160.26 and 36,149.76 is: 54,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,073.30 : 129,160.26 = 36,149.76 : x
  2. Step 2: Convert to fraction form
    86,073.30/129,160.26 = 36,149.76/x
  3. Step 3: Cross multiply
    86,073.30x = 129,160.26 × 36,149.76
  4. Step 4: Simplify right side
    86,073.30x = 4,669,112,400.54
  5. Step 5: Solve for x
    x = 4,669,112,400.54/86,073.30
  6. Step 6: Final answer
    x = 54,245.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.