Home / 48,891.18-67,470.80-31,906.29

Finding the Fourth Proportional to 48,891.18, 67,470.80 and 31,906.29

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Solution

The fourth proportional to 48,891.18, 67,470.80 and 31,906.29 is: 44,031.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.18 : 67,470.80 = 31,906.29 : x
  2. Step 2: Convert to fraction form
    48,891.18/67,470.80 = 31,906.29/x
  3. Step 3: Cross multiply
    48,891.18x = 67,470.80 × 31,906.29
  4. Step 4: Simplify right side
    48,891.18x = 2,152,742,751.80
  5. Step 5: Solve for x
    x = 2,152,742,751.80/48,891.18
  6. Step 6: Final answer
    x = 44,031.31

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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.