Home / 65,348.20-98,141.10-57,183.40

Finding the Fourth Proportional to 65,348.20, 98,141.10 and 57,183.40

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Solution

The fourth proportional to 65,348.20, 98,141.10 and 57,183.40 is: 85,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,348.20 : 98,141.10 = 57,183.40 : x
  2. Step 2: Convert to fraction form
    65,348.20/98,141.10 = 57,183.40/x
  3. Step 3: Cross multiply
    65,348.20x = 98,141.10 × 57,183.40
  4. Step 4: Simplify right side
    65,348.20x = 5,612,041,777.74
  5. Step 5: Solve for x
    x = 5,612,041,777.74/65,348.20
  6. Step 6: Final answer
    x = 85,879.06

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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.