Home / 48,422.66-72,634.02-15,142.90

Finding the Fourth Proportional to 48,422.66, 72,634.02 and 15,142.90

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Solution

The fourth proportional to 48,422.66, 72,634.02 and 15,142.90 is: 22,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.66 : 72,634.02 = 15,142.90 : x
  2. Step 2: Convert to fraction form
    48,422.66/72,634.02 = 15,142.90/x
  3. Step 3: Cross multiply
    48,422.66x = 72,634.02 × 15,142.90
  4. Step 4: Simplify right side
    48,422.66x = 1,099,889,599.28
  5. Step 5: Solve for x
    x = 1,099,889,599.28/48,422.66
  6. Step 6: Final answer
    x = 22,714.36

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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.