Home / 115,718.18-173,591.16-40,822.88

Finding the Fourth Proportional to 115,718.18, 173,591.16 and 40,822.88

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Solution

The fourth proportional to 115,718.18, 173,591.16 and 40,822.88 is: 61,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,718.18 : 173,591.16 = 40,822.88 : x
  2. Step 2: Convert to fraction form
    115,718.18/173,591.16 = 40,822.88/x
  3. Step 3: Cross multiply
    115,718.18x = 173,591.16 × 40,822.88
  4. Step 4: Simplify right side
    115,718.18x = 7,086,491,527.72
  5. Step 5: Solve for x
    x = 7,086,491,527.72/115,718.18
  6. Step 6: Final answer
    x = 61,239.23

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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.