Home / 48,442.30-72,664.83-13,381.96

Finding the Fourth Proportional to 48,442.30, 72,664.83 and 13,381.96

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Solution

The fourth proportional to 48,442.30, 72,664.83 and 13,381.96 is: 20,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,442.30 : 72,664.83 = 13,381.96 : x
  2. Step 2: Convert to fraction form
    48,442.30/72,664.83 = 13,381.96/x
  3. Step 3: Cross multiply
    48,442.30x = 72,664.83 × 13,381.96
  4. Step 4: Simplify right side
    48,442.30x = 972,397,848.47
  5. Step 5: Solve for x
    x = 972,397,848.47/48,442.30
  6. Step 6: Final answer
    x = 20,073.32

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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.