Home / 67,987.08-101,970.06-34,731.72

Finding the Fourth Proportional to 67,987.08, 101,970.06 and 34,731.72

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Solution

The fourth proportional to 67,987.08, 101,970.06 and 34,731.72 is: 52,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987.08 : 101,970.06 = 34,731.72 : x
  2. Step 2: Convert to fraction form
    67,987.08/101,970.06 = 34,731.72/x
  3. Step 3: Cross multiply
    67,987.08x = 101,970.06 × 34,731.72
  4. Step 4: Simplify right side
    67,987.08x = 3,541,595,572.30
  5. Step 5: Solve for x
    x = 3,541,595,572.30/67,987.08
  6. Step 6: Final answer
    x = 52,092.19

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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.