Home / 99,154.88-148,761.44-39,960.08

Finding the Fourth Proportional to 99,154.88, 148,761.44 and 39,960.08

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Solution

The fourth proportional to 99,154.88, 148,761.44 and 39,960.08 is: 59,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,154.88 : 148,761.44 = 39,960.08 : x
  2. Step 2: Convert to fraction form
    99,154.88/148,761.44 = 39,960.08/x
  3. Step 3: Cross multiply
    99,154.88x = 148,761.44 × 39,960.08
  4. Step 4: Simplify right side
    99,154.88x = 5,944,519,043.32
  5. Step 5: Solve for x
    x = 5,944,519,043.32/99,154.88
  6. Step 6: Final answer
    x = 59,951.86

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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.