Home / 99,191.64-148,793.08-31,729.59

Finding the Fourth Proportional to 99,191.64, 148,793.08 and 31,729.59

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Solution

The fourth proportional to 99,191.64, 148,793.08 and 31,729.59 is: 47,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,191.64 : 148,793.08 = 31,729.59 : x
  2. Step 2: Convert to fraction form
    99,191.64/148,793.08 = 31,729.59/x
  3. Step 3: Cross multiply
    99,191.64x = 148,793.08 × 31,729.59
  4. Step 4: Simplify right side
    99,191.64x = 4,721,143,423.24
  5. Step 5: Solve for x
    x = 4,721,143,423.24/99,191.64
  6. Step 6: Final answer
    x = 47,596.18

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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.