Home / 75,211.86-103,789.28-44,979.32

Finding the Fourth Proportional to 75,211.86, 103,789.28 and 44,979.32

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Solution

The fourth proportional to 75,211.86, 103,789.28 and 44,979.32 is: 62,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.86 : 103,789.28 = 44,979.32 : x
  2. Step 2: Convert to fraction form
    75,211.86/103,789.28 = 44,979.32/x
  3. Step 3: Cross multiply
    75,211.86x = 103,789.28 × 44,979.32
  4. Step 4: Simplify right side
    75,211.86x = 4,668,371,237.69
  5. Step 5: Solve for x
    x = 4,668,371,237.69/75,211.86
  6. Step 6: Final answer
    x = 62,069.62

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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.