Home / 84,624.08-126,947.02-28,439.96

Finding the Fourth Proportional to 84,624.08, 126,947.02 and 28,439.96

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Solution

The fourth proportional to 84,624.08, 126,947.02 and 28,439.96 is: 42,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,624.08 : 126,947.02 = 28,439.96 : x
  2. Step 2: Convert to fraction form
    84,624.08/126,947.02 = 28,439.96/x
  3. Step 3: Cross multiply
    84,624.08x = 126,947.02 × 28,439.96
  4. Step 4: Simplify right side
    84,624.08x = 3,610,368,170.92
  5. Step 5: Solve for x
    x = 3,610,368,170.92/84,624.08
  6. Step 6: Final answer
    x = 42,663.60

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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.