Home / 67,679.28-101,511.63-34,420.50

Finding the Fourth Proportional to 67,679.28, 101,511.63 and 34,420.50

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Solution

The fourth proportional to 67,679.28, 101,511.63 and 34,420.50 is: 51,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,679.28 : 101,511.63 = 34,420.50 : x
  2. Step 2: Convert to fraction form
    67,679.28/101,511.63 = 34,420.50/x
  3. Step 3: Cross multiply
    67,679.28x = 101,511.63 × 34,420.50
  4. Step 4: Simplify right side
    67,679.28x = 3,494,081,060.42
  5. Step 5: Solve for x
    x = 3,494,081,060.42/67,679.28
  6. Step 6: Final answer
    x = 51,627.04

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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.