Home / 82,500.20-123,750.30-49,257.80

Finding the Fourth Proportional to 82,500.20, 123,750.30 and 49,257.80

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Solution

The fourth proportional to 82,500.20, 123,750.30 and 49,257.80 is: 73,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,500.20 : 123,750.30 = 49,257.80 : x
  2. Step 2: Convert to fraction form
    82,500.20/123,750.30 = 49,257.80/x
  3. Step 3: Cross multiply
    82,500.20x = 123,750.30 × 49,257.80
  4. Step 4: Simplify right side
    82,500.20x = 6,095,667,527.34
  5. Step 5: Solve for x
    x = 6,095,667,527.34/82,500.20
  6. Step 6: Final answer
    x = 73,886.70

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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.