Home / 54,920.76-75,788.01-31,042.86

Finding the Fourth Proportional to 54,920.76, 75,788.01 and 31,042.86

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Solution

The fourth proportional to 54,920.76, 75,788.01 and 31,042.86 is: 42,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.76 : 75,788.01 = 31,042.86 : x
  2. Step 2: Convert to fraction form
    54,920.76/75,788.01 = 31,042.86/x
  3. Step 3: Cross multiply
    54,920.76x = 75,788.01 × 31,042.86
  4. Step 4: Simplify right side
    54,920.76x = 2,352,676,584.11
  5. Step 5: Solve for x
    x = 2,352,676,584.11/54,920.76
  6. Step 6: Final answer
    x = 42,837.66

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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.