Home / 71,454.76-98,610.18-53,518.12

Finding the Fourth Proportional to 71,454.76, 98,610.18 and 53,518.12

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Solution

The fourth proportional to 71,454.76, 98,610.18 and 53,518.12 is: 73,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,454.76 : 98,610.18 = 53,518.12 : x
  2. Step 2: Convert to fraction form
    71,454.76/98,610.18 = 53,518.12/x
  3. Step 3: Cross multiply
    71,454.76x = 98,610.18 × 53,518.12
  4. Step 4: Simplify right side
    71,454.76x = 5,277,431,446.46
  5. Step 5: Solve for x
    x = 5,277,431,446.46/71,454.76
  6. Step 6: Final answer
    x = 73,856.96

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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.