Home / 99,675.21-149,575.07-40,510.86

Finding the Fourth Proportional to 99,675.21, 149,575.07 and 40,510.86

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Solution

The fourth proportional to 99,675.21, 149,575.07 and 40,510.86 is: 60,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,675.21 : 149,575.07 = 40,510.86 : x
  2. Step 2: Convert to fraction form
    99,675.21/149,575.07 = 40,510.86/x
  3. Step 3: Cross multiply
    99,675.21x = 149,575.07 × 40,510.86
  4. Step 4: Simplify right side
    99,675.21x = 6,059,414,517.71
  5. Step 5: Solve for x
    x = 6,059,414,517.71/99,675.21
  6. Step 6: Final answer
    x = 60,791.59

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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.