Home / 48,707.76-67,251.96-31,989.36

Finding the Fourth Proportional to 48,707.76, 67,251.96 and 31,989.36

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Solution

The fourth proportional to 48,707.76, 67,251.96 and 31,989.36 is: 44,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,707.76 : 67,251.96 = 31,989.36 : x
  2. Step 2: Convert to fraction form
    48,707.76/67,251.96 = 31,989.36/x
  3. Step 3: Cross multiply
    48,707.76x = 67,251.96 × 31,989.36
  4. Step 4: Simplify right side
    48,707.76x = 2,151,347,159.15
  5. Step 5: Solve for x
    x = 2,151,347,159.15/48,707.76
  6. Step 6: Final answer
    x = 44,168.47

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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.