Home / 99,069.30-148,701.15-49,205.70

Finding the Fourth Proportional to 99,069.30, 148,701.15 and 49,205.70

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Solution

The fourth proportional to 99,069.30, 148,701.15 and 49,205.70 is: 73,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,069.30 : 148,701.15 = 49,205.70 : x
  2. Step 2: Convert to fraction form
    99,069.30/148,701.15 = 49,205.70/x
  3. Step 3: Cross multiply
    99,069.30x = 148,701.15 × 49,205.70
  4. Step 4: Simplify right side
    99,069.30x = 7,316,944,176.56
  5. Step 5: Solve for x
    x = 7,316,944,176.56/99,069.30
  6. Step 6: Final answer
    x = 73,856.83

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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.