Home / 41,515.20-61,870.12-40,186.88

Finding the Fourth Proportional to 41,515.20, 61,870.12 and 40,186.88

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Solution

The fourth proportional to 41,515.20, 61,870.12 and 40,186.88 is: 59,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,515.20 : 61,870.12 = 40,186.88 : x
  2. Step 2: Convert to fraction form
    41,515.20/61,870.12 = 40,186.88/x
  3. Step 3: Cross multiply
    41,515.20x = 61,870.12 × 40,186.88
  4. Step 4: Simplify right side
    41,515.20x = 2,486,367,088.03
  5. Step 5: Solve for x
    x = 2,486,367,088.03/41,515.20
  6. Step 6: Final answer
    x = 59,890.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.