Home / 97,719.60-146,479.32-38,531.28

Finding the Fourth Proportional to 97,719.60, 146,479.32 and 38,531.28

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Solution

The fourth proportional to 97,719.60, 146,479.32 and 38,531.28 is: 57,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719.60 : 146,479.32 = 38,531.28 : x
  2. Step 2: Convert to fraction form
    97,719.60/146,479.32 = 38,531.28/x
  3. Step 3: Cross multiply
    97,719.60x = 146,479.32 × 38,531.28
  4. Step 4: Simplify right side
    97,719.60x = 5,644,035,693.13
  5. Step 5: Solve for x
    x = 5,644,035,693.13/97,719.60
  6. Step 6: Final answer
    x = 57,757.46

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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.