Home / 99,418.20-148,932.90-59,857.80

Finding the Fourth Proportional to 99,418.20, 148,932.90 and 59,857.80

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Solution

The fourth proportional to 99,418.20, 148,932.90 and 59,857.80 is: 89,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,418.20 : 148,932.90 = 59,857.80 : x
  2. Step 2: Convert to fraction form
    99,418.20/148,932.90 = 59,857.80/x
  3. Step 3: Cross multiply
    99,418.20x = 148,932.90 × 59,857.80
  4. Step 4: Simplify right side
    99,418.20x = 8,914,795,741.62
  5. Step 5: Solve for x
    x = 8,914,795,741.62/99,418.20
  6. Step 6: Final answer
    x = 89,669.66

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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.