Home / 54,248.28-74,851.68-31,590.96

Finding the Fourth Proportional to 54,248.28, 74,851.68 and 31,590.96

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Solution

The fourth proportional to 54,248.28, 74,851.68 and 31,590.96 is: 43,589.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.28 : 74,851.68 = 31,590.96 : x
  2. Step 2: Convert to fraction form
    54,248.28/74,851.68 = 31,590.96/x
  3. Step 3: Cross multiply
    54,248.28x = 74,851.68 × 31,590.96
  4. Step 4: Simplify right side
    54,248.28x = 2,364,636,428.81
  5. Step 5: Solve for x
    x = 2,364,636,428.81/54,248.28
  6. Step 6: Final answer
    x = 43,589.15

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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.