Home / 67,979.68-101,984.10-28,514.05

Finding the Fourth Proportional to 67,979.68, 101,984.10 and 28,514.05

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Solution

The fourth proportional to 67,979.68, 101,984.10 and 28,514.05 is: 42,777.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.68 : 101,984.10 = 28,514.05 : x
  2. Step 2: Convert to fraction form
    67,979.68/101,984.10 = 28,514.05/x
  3. Step 3: Cross multiply
    67,979.68x = 101,984.10 × 28,514.05
  4. Step 4: Simplify right side
    67,979.68x = 2,907,979,726.61
  5. Step 5: Solve for x
    x = 2,907,979,726.61/67,979.68
  6. Step 6: Final answer
    x = 42,777.19

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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.