Home / 86,212.18-129,318.09-23,882.50

Finding the Fourth Proportional to 86,212.18, 129,318.09 and 23,882.50

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Solution

The fourth proportional to 86,212.18, 129,318.09 and 23,882.50 is: 35,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.18 : 129,318.09 = 23,882.50 : x
  2. Step 2: Convert to fraction form
    86,212.18/129,318.09 = 23,882.50/x
  3. Step 3: Cross multiply
    86,212.18x = 129,318.09 × 23,882.50
  4. Step 4: Simplify right side
    86,212.18x = 3,088,439,284.43
  5. Step 5: Solve for x
    x = 3,088,439,284.43/86,212.18
  6. Step 6: Final answer
    x = 35,823.70

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Similar ratio
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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.