Home / 74,097.29-102,253.55-40,105.04

Finding the Fourth Proportional to 74,097.29, 102,253.55 and 40,105.04

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Solution

The fourth proportional to 74,097.29, 102,253.55 and 40,105.04 is: 55,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.29 : 102,253.55 = 40,105.04 : x
  2. Step 2: Convert to fraction form
    74,097.29/102,253.55 = 40,105.04/x
  3. Step 3: Cross multiply
    74,097.29x = 102,253.55 × 40,105.04
  4. Step 4: Simplify right side
    74,097.29x = 4,100,882,001.10
  5. Step 5: Solve for x
    x = 4,100,882,001.10/74,097.29
  6. Step 6: Final answer
    x = 55,344.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.