Home / 86,656.26-129,989.03-24,331.62

Finding the Fourth Proportional to 86,656.26, 129,989.03 and 24,331.62

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Solution

The fourth proportional to 86,656.26, 129,989.03 and 24,331.62 is: 36,498.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,656.26 : 129,989.03 = 24,331.62 : x
  2. Step 2: Convert to fraction form
    86,656.26/129,989.03 = 24,331.62/x
  3. Step 3: Cross multiply
    86,656.26x = 129,989.03 × 24,331.62
  4. Step 4: Simplify right side
    86,656.26x = 3,162,843,560.47
  5. Step 5: Solve for x
    x = 3,162,843,560.47/86,656.26
  6. Step 6: Final answer
    x = 36,498.73

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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.