Home / 48,129.22-71,841.30-42,447.86

Finding the Fourth Proportional to 48,129.22, 71,841.30 and 42,447.86

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Solution

The fourth proportional to 48,129.22, 71,841.30 and 42,447.86 is: 63,360.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.22 : 71,841.30 = 42,447.86 : x
  2. Step 2: Convert to fraction form
    48,129.22/71,841.30 = 42,447.86/x
  3. Step 3: Cross multiply
    48,129.22x = 71,841.30 × 42,447.86
  4. Step 4: Simplify right side
    48,129.22x = 3,049,509,444.62
  5. Step 5: Solve for x
    x = 3,049,509,444.62/48,129.22
  6. Step 6: Final answer
    x = 63,360.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.