Home / 87,611.22-120,903.45-47,324.98

Finding the Fourth Proportional to 87,611.22, 120,903.45 and 47,324.98

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Solution

The fourth proportional to 87,611.22, 120,903.45 and 47,324.98 is: 65,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,611.22 : 120,903.45 = 47,324.98 : x
  2. Step 2: Convert to fraction form
    87,611.22/120,903.45 = 47,324.98/x
  3. Step 3: Cross multiply
    87,611.22x = 120,903.45 × 47,324.98
  4. Step 4: Simplify right side
    87,611.22x = 5,721,753,353.18
  5. Step 5: Solve for x
    x = 5,721,753,353.18/87,611.22
  6. Step 6: Final answer
    x = 65,308.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.