Home / 67,987.21-101,970.27-34,731.85

Finding the Fourth Proportional to 67,987.21, 101,970.27 and 34,731.85

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Solution

The fourth proportional to 67,987.21, 101,970.27 and 34,731.85 is: 52,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987.21 : 101,970.27 = 34,731.85 : x
  2. Step 2: Convert to fraction form
    67,987.21/101,970.27 = 34,731.85/x
  3. Step 3: Cross multiply
    67,987.21x = 101,970.27 × 34,731.85
  4. Step 4: Simplify right side
    67,987.21x = 3,541,616,122.10
  5. Step 5: Solve for x
    x = 3,541,616,122.10/67,987.21
  6. Step 6: Final answer
    x = 52,092.39

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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.