Home / 41,145.22-61,717.62-9,980.44

Finding the Fourth Proportional to 41,145.22, 61,717.62 and 9,980.44

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Solution

The fourth proportional to 41,145.22, 61,717.62 and 9,980.44 is: 14,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.22 : 61,717.62 = 9,980.44 : x
  2. Step 2: Convert to fraction form
    41,145.22/61,717.62 = 9,980.44/x
  3. Step 3: Cross multiply
    41,145.22x = 61,717.62 × 9,980.44
  4. Step 4: Simplify right side
    41,145.22x = 615,969,003.35
  5. Step 5: Solve for x
    x = 615,969,003.35/41,145.22
  6. Step 6: Final answer
    x = 14,970.61

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Double scale
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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.