Home / 97,724.60-146,586.90-83,727.80

Finding the Fourth Proportional to 97,724.60, 146,586.90 and 83,727.80

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Solution

The fourth proportional to 97,724.60, 146,586.90 and 83,727.80 is: 125,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.60 : 146,586.90 = 83,727.80 : x
  2. Step 2: Convert to fraction form
    97,724.60/146,586.90 = 83,727.80/x
  3. Step 3: Cross multiply
    97,724.60x = 146,586.90 × 83,727.80
  4. Step 4: Simplify right side
    97,724.60x = 12,273,398,645.82
  5. Step 5: Solve for x
    x = 12,273,398,645.82/97,724.60
  6. Step 6: Final answer
    x = 125,591.70

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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.