Home / 54,565.84-75,279.54-30,687.04

Finding the Fourth Proportional to 54,565.84, 75,279.54 and 30,687.04

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Solution

The fourth proportional to 54,565.84, 75,279.54 and 30,687.04 is: 42,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,565.84 : 75,279.54 = 30,687.04 : x
  2. Step 2: Convert to fraction form
    54,565.84/75,279.54 = 30,687.04/x
  3. Step 3: Cross multiply
    54,565.84x = 75,279.54 × 30,687.04
  4. Step 4: Simplify right side
    54,565.84x = 2,310,106,255.16
  5. Step 5: Solve for x
    x = 2,310,106,255.16/54,565.84
  6. Step 6: Final answer
    x = 42,336.13

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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.