Home / 67,119.06-100,459.53-49,345.02

Finding the Fourth Proportional to 67,119.06, 100,459.53 and 49,345.02

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Solution

The fourth proportional to 67,119.06, 100,459.53 and 49,345.02 is: 73,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.06 : 100,459.53 = 49,345.02 : x
  2. Step 2: Convert to fraction form
    67,119.06/100,459.53 = 49,345.02/x
  3. Step 3: Cross multiply
    67,119.06x = 100,459.53 × 49,345.02
  4. Step 4: Simplify right side
    67,119.06x = 4,957,177,517.04
  5. Step 5: Solve for x
    x = 4,957,177,517.04/67,119.06
  6. Step 6: Final answer
    x = 73,856.48

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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.