Home / 41,145.14-61,717.50-9,980.39

Finding the Fourth Proportional to 41,145.14, 61,717.50 and 9,980.39

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Solution

The fourth proportional to 41,145.14, 61,717.50 and 9,980.39 is: 14,970.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.14 : 61,717.50 = 9,980.39 : x
  2. Step 2: Convert to fraction form
    41,145.14/61,717.50 = 9,980.39/x
  3. Step 3: Cross multiply
    41,145.14x = 61,717.50 × 9,980.39
  4. Step 4: Simplify right side
    41,145.14x = 615,964,719.83
  5. Step 5: Solve for x
    x = 615,964,719.83/41,145.14
  6. Step 6: Final answer
    x = 14,970.53

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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.