Home / 99,277.46-148,919.70-31,800.73

Finding the Fourth Proportional to 99,277.46, 148,919.70 and 31,800.73

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Solution

The fourth proportional to 99,277.46, 148,919.70 and 31,800.73 is: 47,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.46 : 148,919.70 = 31,800.73 : x
  2. Step 2: Convert to fraction form
    99,277.46/148,919.70 = 31,800.73/x
  3. Step 3: Cross multiply
    99,277.46x = 148,919.70 × 31,800.73
  4. Step 4: Simplify right side
    99,277.46x = 4,735,755,171.38
  5. Step 5: Solve for x
    x = 4,735,755,171.38/99,277.46
  6. Step 6: Final answer
    x = 47,702.22

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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.