Home / 67,687.02-101,419.56-47,930.10

Finding the Fourth Proportional to 67,687.02, 101,419.56 and 47,930.10

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Solution

The fourth proportional to 67,687.02, 101,419.56 and 47,930.10 is: 71,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.02 : 101,419.56 = 47,930.10 : x
  2. Step 2: Convert to fraction form
    67,687.02/101,419.56 = 47,930.10/x
  3. Step 3: Cross multiply
    67,687.02x = 101,419.56 × 47,930.10
  4. Step 4: Simplify right side
    67,687.02x = 4,861,049,652.76
  5. Step 5: Solve for x
    x = 4,861,049,652.76/67,687.02
  6. Step 6: Final answer
    x = 71,816.57

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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.