Home / 82,288.05-123,432.08-28,967.47

Finding the Fourth Proportional to 82,288.05, 123,432.08 and 28,967.47

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Solution

The fourth proportional to 82,288.05, 123,432.08 and 28,967.47 is: 43,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,288.05 : 123,432.08 = 28,967.47 : x
  2. Step 2: Convert to fraction form
    82,288.05/123,432.08 = 28,967.47/x
  3. Step 3: Cross multiply
    82,288.05x = 123,432.08 × 28,967.47
  4. Step 4: Simplify right side
    82,288.05x = 3,575,515,074.44
  5. Step 5: Solve for x
    x = 3,575,515,074.44/82,288.05
  6. Step 6: Final answer
    x = 43,451.21

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1.5x scale

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.