Home / 60,077.28-90,085.32-20,081.88

Finding the Fourth Proportional to 60,077.28, 90,085.32 and 20,081.88

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Solution

The fourth proportional to 60,077.28, 90,085.32 and 20,081.88 is: 30,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,077.28 : 90,085.32 = 20,081.88 : x
  2. Step 2: Convert to fraction form
    60,077.28/90,085.32 = 20,081.88/x
  3. Step 3: Cross multiply
    60,077.28x = 90,085.32 × 20,081.88
  4. Step 4: Simplify right side
    60,077.28x = 1,809,082,586.00
  5. Step 5: Solve for x
    x = 1,809,082,586.00/60,077.28
  6. Step 6: Final answer
    x = 30,112.59

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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.