Home / 97,731.12-146,552.40-38,521.20

Finding the Fourth Proportional to 97,731.12, 146,552.40 and 38,521.20

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Solution

The fourth proportional to 97,731.12, 146,552.40 and 38,521.20 is: 57,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.12 : 146,552.40 = 38,521.20 : x
  2. Step 2: Convert to fraction form
    97,731.12/146,552.40 = 38,521.20/x
  3. Step 3: Cross multiply
    97,731.12x = 146,552.40 × 38,521.20
  4. Step 4: Simplify right side
    97,731.12x = 5,645,374,310.88
  5. Step 5: Solve for x
    x = 5,645,374,310.88/97,731.12
  6. Step 6: Final answer
    x = 57,764.35

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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.