Home / 99,057.40-148,586.10-39,862.60

Finding the Fourth Proportional to 99,057.40, 148,586.10 and 39,862.60

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Solution

The fourth proportional to 99,057.40, 148,586.10 and 39,862.60 is: 59,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,057.40 : 148,586.10 = 39,862.60 : x
  2. Step 2: Convert to fraction form
    99,057.40/148,586.10 = 39,862.60/x
  3. Step 3: Cross multiply
    99,057.40x = 148,586.10 × 39,862.60
  4. Step 4: Simplify right side
    99,057.40x = 5,923,028,269.86
  5. Step 5: Solve for x
    x = 5,923,028,269.86/99,057.40
  6. Step 6: Final answer
    x = 59,793.90

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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.