Home / 49,979.09-74,931.60-30,252.98

Finding the Fourth Proportional to 49,979.09, 74,931.60 and 30,252.98

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Solution

The fourth proportional to 49,979.09, 74,931.60 and 30,252.98 is: 45,357.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.09 : 74,931.60 = 30,252.98 : x
  2. Step 2: Convert to fraction form
    49,979.09/74,931.60 = 30,252.98/x
  3. Step 3: Cross multiply
    49,979.09x = 74,931.60 × 30,252.98
  4. Step 4: Simplify right side
    49,979.09x = 2,266,904,496.95
  5. Step 5: Solve for x
    x = 2,266,904,496.95/49,979.09
  6. Step 6: Final answer
    x = 45,357.06

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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.