Home / 54,139.01-74,732.35-48,463.49

Finding the Fourth Proportional to 54,139.01, 74,732.35 and 48,463.49

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Solution

The fourth proportional to 54,139.01, 74,732.35 and 48,463.49 is: 66,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,139.01 : 74,732.35 = 48,463.49 : x
  2. Step 2: Convert to fraction form
    54,139.01/74,732.35 = 48,463.49/x
  3. Step 3: Cross multiply
    54,139.01x = 74,732.35 × 48,463.49
  4. Step 4: Simplify right side
    54,139.01x = 3,621,790,850.10
  5. Step 5: Solve for x
    x = 3,621,790,850.10/54,139.01
  6. Step 6: Final answer
    x = 66,897.98

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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.