Home / 54,937.12-75,795.36-31,061.44

Finding the Fourth Proportional to 54,937.12, 75,795.36 and 31,061.44

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Solution

The fourth proportional to 54,937.12, 75,795.36 and 31,061.44 is: 42,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,937.12 : 75,795.36 = 31,061.44 : x
  2. Step 2: Convert to fraction form
    54,937.12/75,795.36 = 31,061.44/x
  3. Step 3: Cross multiply
    54,937.12x = 75,795.36 × 31,061.44
  4. Step 4: Simplify right side
    54,937.12x = 2,354,313,026.92
  5. Step 5: Solve for x
    x = 2,354,313,026.92/54,937.12
  6. Step 6: Final answer
    x = 42,854.69

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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.