Home / 48,342.40-72,520.80-17,175.20

Finding the Fourth Proportional to 48,342.40, 72,520.80 and 17,175.20

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Solution

The fourth proportional to 48,342.40, 72,520.80 and 17,175.20 is: 25,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,342.40 : 72,520.80 = 17,175.20 : x
  2. Step 2: Convert to fraction form
    48,342.40/72,520.80 = 17,175.20/x
  3. Step 3: Cross multiply
    48,342.40x = 72,520.80 × 17,175.20
  4. Step 4: Simplify right side
    48,342.40x = 1,245,559,244.16
  5. Step 5: Solve for x
    x = 1,245,559,244.16/48,342.40
  6. Step 6: Final answer
    x = 25,765.36

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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.