Home / 71,027.28-98,034.84-42,727.50

Finding the Fourth Proportional to 71,027.28, 98,034.84 and 42,727.50

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Solution

The fourth proportional to 71,027.28, 98,034.84 and 42,727.50 is: 58,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,027.28 : 98,034.84 = 42,727.50 : x
  2. Step 2: Convert to fraction form
    71,027.28/98,034.84 = 42,727.50/x
  3. Step 3: Cross multiply
    71,027.28x = 98,034.84 × 42,727.50
  4. Step 4: Simplify right side
    71,027.28x = 4,188,783,626.10
  5. Step 5: Solve for x
    x = 4,188,783,626.10/71,027.28
  6. Step 6: Final answer
    x = 58,974.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.