Home / 86,037.59-129,049.99-36,115.67

Finding the Fourth Proportional to 86,037.59, 129,049.99 and 36,115.67

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Solution

The fourth proportional to 86,037.59, 129,049.99 and 36,115.67 is: 54,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037.59 : 129,049.99 = 36,115.67 : x
  2. Step 2: Convert to fraction form
    86,037.59/129,049.99 = 36,115.67/x
  3. Step 3: Cross multiply
    86,037.59x = 129,049.99 × 36,115.67
  4. Step 4: Simplify right side
    86,037.59x = 4,660,726,852.34
  5. Step 5: Solve for x
    x = 4,660,726,852.34/86,037.59
  6. Step 6: Final answer
    x = 54,170.82

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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.