Home / 67,428.34-101,141.70-52,649.44

Finding the Fourth Proportional to 67,428.34, 101,141.70 and 52,649.44

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Solution

The fourth proportional to 67,428.34, 101,141.70 and 52,649.44 is: 78,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.34 : 101,141.70 = 52,649.44 : x
  2. Step 2: Convert to fraction form
    67,428.34/101,141.70 = 52,649.44/x
  3. Step 3: Cross multiply
    67,428.34x = 101,141.70 × 52,649.44
  4. Step 4: Simplify right side
    67,428.34x = 5,325,053,865.65
  5. Step 5: Solve for x
    x = 5,325,053,865.65/67,428.34
  6. Step 6: Final answer
    x = 78,973.53

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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.