Home / 48,087.62-72,121.71-40,272.74

Finding the Fourth Proportional to 48,087.62, 72,121.71 and 40,272.74

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Solution

The fourth proportional to 48,087.62, 72,121.71 and 40,272.74 is: 60,400.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.62 : 72,121.71 = 40,272.74 : x
  2. Step 2: Convert to fraction form
    48,087.62/72,121.71 = 40,272.74/x
  3. Step 3: Cross multiply
    48,087.62x = 72,121.71 × 40,272.74
  4. Step 4: Simplify right side
    48,087.62x = 2,904,538,875.19
  5. Step 5: Solve for x
    x = 2,904,538,875.19/48,087.62
  6. Step 6: Final answer
    x = 60,400.97

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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.