Home / 86,660.76-129,995.78-24,336.12

Finding the Fourth Proportional to 86,660.76, 129,995.78 and 24,336.12

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Solution

The fourth proportional to 86,660.76, 129,995.78 and 24,336.12 is: 36,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,660.76 : 129,995.78 = 24,336.12 : x
  2. Step 2: Convert to fraction form
    86,660.76/129,995.78 = 24,336.12/x
  3. Step 3: Cross multiply
    86,660.76x = 129,995.78 × 24,336.12
  4. Step 4: Simplify right side
    86,660.76x = 3,163,592,779.89
  5. Step 5: Solve for x
    x = 3,163,592,779.89/86,660.76
  6. Step 6: Final answer
    x = 36,505.48

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Double scale
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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.