Home / 54,972.14-82,412.04-38,282.90

Finding the Fourth Proportional to 54,972.14, 82,412.04 and 38,282.90

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Solution

The fourth proportional to 54,972.14, 82,412.04 and 38,282.90 is: 57,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,972.14 : 82,412.04 = 38,282.90 : x
  2. Step 2: Convert to fraction form
    54,972.14/82,412.04 = 38,282.90/x
  3. Step 3: Cross multiply
    54,972.14x = 82,412.04 × 38,282.90
  4. Step 4: Simplify right side
    54,972.14x = 3,154,971,886.12
  5. Step 5: Solve for x
    x = 3,154,971,886.12/54,972.14
  6. Step 6: Final answer
    x = 57,392.20

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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.