Home / 84,614.08-126,932.01-28,429.96

Finding the Fourth Proportional to 84,614.08, 126,932.01 and 28,429.96

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Solution

The fourth proportional to 84,614.08, 126,932.01 and 28,429.96 is: 42,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,614.08 : 126,932.01 = 28,429.96 : x
  2. Step 2: Convert to fraction form
    84,614.08/126,932.01 = 28,429.96/x
  3. Step 3: Cross multiply
    84,614.08x = 126,932.01 × 28,429.96
  4. Step 4: Simplify right side
    84,614.08x = 3,608,671,967.02
  5. Step 5: Solve for x
    x = 3,608,671,967.02/84,614.08
  6. Step 6: Final answer
    x = 42,648.60

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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.