Home / 54,306.14-74,945.58-30,440.52

Finding the Fourth Proportional to 54,306.14, 74,945.58 and 30,440.52

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Solution

The fourth proportional to 54,306.14, 74,945.58 and 30,440.52 is: 42,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.14 : 74,945.58 = 30,440.52 : x
  2. Step 2: Convert to fraction form
    54,306.14/74,945.58 = 30,440.52/x
  3. Step 3: Cross multiply
    54,306.14x = 74,945.58 × 30,440.52
  4. Step 4: Simplify right side
    54,306.14x = 2,281,382,426.90
  5. Step 5: Solve for x
    x = 2,281,382,426.90/54,306.14
  6. Step 6: Final answer
    x = 42,009.66

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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.