Home / 84,099.45-126,149.18-57,724.23

Finding the Fourth Proportional to 84,099.45, 126,149.18 and 57,724.23

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Solution

The fourth proportional to 84,099.45, 126,149.18 and 57,724.23 is: 86,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,099.45 : 126,149.18 = 57,724.23 : x
  2. Step 2: Convert to fraction form
    84,099.45/126,149.18 = 57,724.23/x
  3. Step 3: Cross multiply
    84,099.45x = 126,149.18 × 57,724.23
  4. Step 4: Simplify right side
    84,099.45x = 7,281,864,280.63
  5. Step 5: Solve for x
    x = 7,281,864,280.63/84,099.45
  6. Step 6: Final answer
    x = 86,586.35

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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.