Home / 70,013.10-96,619.37-38,181.90

Finding the Fourth Proportional to 70,013.10, 96,619.37 and 38,181.90

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Solution

The fourth proportional to 70,013.10, 96,619.37 and 38,181.90 is: 52,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,013.10 : 96,619.37 = 38,181.90 : x
  2. Step 2: Convert to fraction form
    70,013.10/96,619.37 = 38,181.90/x
  3. Step 3: Cross multiply
    70,013.10x = 96,619.37 × 38,181.90
  4. Step 4: Simplify right side
    70,013.10x = 3,689,110,932.49
  5. Step 5: Solve for x
    x = 3,689,110,932.49/70,013.10
  6. Step 6: Final answer
    x = 52,691.72

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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.