Home / 71,183.28-98,256.26-49,967.76

Finding the Fourth Proportional to 71,183.28, 98,256.26 and 49,967.76

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Solution

The fourth proportional to 71,183.28, 98,256.26 and 49,967.76 is: 68,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.28 : 98,256.26 = 49,967.76 : x
  2. Step 2: Convert to fraction form
    71,183.28/98,256.26 = 49,967.76/x
  3. Step 3: Cross multiply
    71,183.28x = 98,256.26 × 49,967.76
  4. Step 4: Simplify right side
    71,183.28x = 4,909,645,218.18
  5. Step 5: Solve for x
    x = 4,909,645,218.18/71,183.28
  6. Step 6: Final answer
    x = 68,971.89

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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.