Home / 49,979.22-74,931.79-30,253.11

Finding the Fourth Proportional to 49,979.22, 74,931.79 and 30,253.11

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Solution

The fourth proportional to 49,979.22, 74,931.79 and 30,253.11 is: 45,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.22 : 74,931.79 = 30,253.11 : x
  2. Step 2: Convert to fraction form
    49,979.22/74,931.79 = 30,253.11/x
  3. Step 3: Cross multiply
    49,979.22x = 74,931.79 × 30,253.11
  4. Step 4: Simplify right side
    49,979.22x = 2,266,919,685.37
  5. Step 5: Solve for x
    x = 2,266,919,685.37/49,979.22
  6. Step 6: Final answer
    x = 45,357.24

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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.