Home / 71,848.35-99,148.05-40,016.57

Finding the Fourth Proportional to 71,848.35, 99,148.05 and 40,016.57

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Solution

The fourth proportional to 71,848.35, 99,148.05 and 40,016.57 is: 55,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848.35 : 99,148.05 = 40,016.57 : x
  2. Step 2: Convert to fraction form
    71,848.35/99,148.05 = 40,016.57/x
  3. Step 3: Cross multiply
    71,848.35x = 99,148.05 × 40,016.57
  4. Step 4: Simplify right side
    71,848.35x = 3,967,564,387.45
  5. Step 5: Solve for x
    x = 3,967,564,387.45/71,848.35
  6. Step 6: Final answer
    x = 55,221.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.