Home / 99,276.46-148,918.20-31,799.73

Finding the Fourth Proportional to 99,276.46, 148,918.20 and 31,799.73

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Solution

The fourth proportional to 99,276.46, 148,918.20 and 31,799.73 is: 47,700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,276.46 : 148,918.20 = 31,799.73 : x
  2. Step 2: Convert to fraction form
    99,276.46/148,918.20 = 31,799.73/x
  3. Step 3: Cross multiply
    99,276.46x = 148,918.20 × 31,799.73
  4. Step 4: Simplify right side
    99,276.46x = 4,735,558,840.76
  5. Step 5: Solve for x
    x = 4,735,558,840.76/99,276.46
  6. Step 6: Final answer
    x = 47,700.72

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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.