Home / 60,519.96-90,712.68-45,680.76

Finding the Fourth Proportional to 60,519.96, 90,712.68 and 45,680.76

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Solution

The fourth proportional to 60,519.96, 90,712.68 and 45,680.76 is: 68,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.96 : 90,712.68 = 45,680.76 : x
  2. Step 2: Convert to fraction form
    60,519.96/90,712.68 = 45,680.76/x
  3. Step 3: Cross multiply
    60,519.96x = 90,712.68 × 45,680.76
  4. Step 4: Simplify right side
    60,519.96x = 4,143,824,164.04
  5. Step 5: Solve for x
    x = 4,143,824,164.04/60,519.96
  6. Step 6: Final answer
    x = 68,470.37

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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.