Home / 48,639.62-72,937.56-47,108.72

Finding the Fourth Proportional to 48,639.62, 72,937.56 and 47,108.72

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Solution

The fourth proportional to 48,639.62, 72,937.56 and 47,108.72 is: 70,641.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.62 : 72,937.56 = 47,108.72 : x
  2. Step 2: Convert to fraction form
    48,639.62/72,937.56 = 47,108.72/x
  3. Step 3: Cross multiply
    48,639.62x = 72,937.56 × 47,108.72
  4. Step 4: Simplify right side
    48,639.62x = 3,435,995,091.52
  5. Step 5: Solve for x
    x = 3,435,995,091.52/48,639.62
  6. Step 6: Final answer
    x = 70,641.90

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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.