Home / 48,512.64-72,726.40-40,261.12

Finding the Fourth Proportional to 48,512.64, 72,726.40 and 40,261.12

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Solution

The fourth proportional to 48,512.64, 72,726.40 and 40,261.12 is: 60,356.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,512.64 : 72,726.40 = 40,261.12 : x
  2. Step 2: Convert to fraction form
    48,512.64/72,726.40 = 40,261.12/x
  3. Step 3: Cross multiply
    48,512.64x = 72,726.40 × 40,261.12
  4. Step 4: Simplify right side
    48,512.64x = 2,928,046,317.57
  5. Step 5: Solve for x
    x = 2,928,046,317.57/48,512.64
  6. Step 6: Final answer
    x = 60,356.36

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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.