Home / 86,645.85-129,968.78-24,316.35

Finding the Fourth Proportional to 86,645.85, 129,968.78 and 24,316.35

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Solution

The fourth proportional to 86,645.85, 129,968.78 and 24,316.35 is: 36,474.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645.85 : 129,968.78 = 24,316.35 : x
  2. Step 2: Convert to fraction form
    86,645.85/129,968.78 = 24,316.35/x
  3. Step 3: Cross multiply
    86,645.85x = 129,968.78 × 24,316.35
  4. Step 4: Simplify right side
    86,645.85x = 3,160,366,221.97
  5. Step 5: Solve for x
    x = 3,160,366,221.97/86,645.85
  6. Step 6: Final answer
    x = 36,474.53

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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.