Home / 54,299.52-74,931.22-30,424.98

Finding the Fourth Proportional to 54,299.52, 74,931.22 and 30,424.98

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Solution

The fourth proportional to 54,299.52, 74,931.22 and 30,424.98 is: 41,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,299.52 : 74,931.22 = 30,424.98 : x
  2. Step 2: Convert to fraction form
    54,299.52/74,931.22 = 30,424.98/x
  3. Step 3: Cross multiply
    54,299.52x = 74,931.22 × 30,424.98
  4. Step 4: Simplify right side
    54,299.52x = 2,279,780,869.88
  5. Step 5: Solve for x
    x = 2,279,780,869.88/54,299.52
  6. Step 6: Final answer
    x = 41,985.29

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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.