Home / 48,201.93-66,456.65-31,176.14

Finding the Fourth Proportional to 48,201.93, 66,456.65 and 31,176.14

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Solution

The fourth proportional to 48,201.93, 66,456.65 and 31,176.14 is: 42,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,201.93 : 66,456.65 = 31,176.14 : x
  2. Step 2: Convert to fraction form
    48,201.93/66,456.65 = 31,176.14/x
  3. Step 3: Cross multiply
    48,201.93x = 66,456.65 × 31,176.14
  4. Step 4: Simplify right side
    48,201.93x = 2,071,861,336.17
  5. Step 5: Solve for x
    x = 2,071,861,336.17/48,201.93
  6. Step 6: Final answer
    x = 42,982.95

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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.