Home / 99,337.20-148,811.40-59,776.80

Finding the Fourth Proportional to 99,337.20, 148,811.40 and 59,776.80

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Solution

The fourth proportional to 99,337.20, 148,811.40 and 59,776.80 is: 89,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.20 : 148,811.40 = 59,776.80 : x
  2. Step 2: Convert to fraction form
    99,337.20/148,811.40 = 59,776.80/x
  3. Step 3: Cross multiply
    99,337.20x = 148,811.40 × 59,776.80
  4. Step 4: Simplify right side
    99,337.20x = 8,895,469,295.52
  5. Step 5: Solve for x
    x = 8,895,469,295.52/99,337.20
  6. Step 6: Final answer
    x = 89,548.22

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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.