Home / 54,934.30-82,401.45-31,314.70

Finding the Fourth Proportional to 54,934.30, 82,401.45 and 31,314.70

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Solution

The fourth proportional to 54,934.30, 82,401.45 and 31,314.70 is: 46,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.30 : 82,401.45 = 31,314.70 : x
  2. Step 2: Convert to fraction form
    54,934.30/82,401.45 = 31,314.70/x
  3. Step 3: Cross multiply
    54,934.30x = 82,401.45 × 31,314.70
  4. Step 4: Simplify right side
    54,934.30x = 2,580,376,686.32
  5. Step 5: Solve for x
    x = 2,580,376,686.32/54,934.30
  6. Step 6: Final answer
    x = 46,972.05

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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.