Home / 75,806.92-113,710.38-42,550.35

Finding the Fourth Proportional to 75,806.92, 113,710.38 and 42,550.35

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Solution

The fourth proportional to 75,806.92, 113,710.38 and 42,550.35 is: 63,825.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,806.92 : 113,710.38 = 42,550.35 : x
  2. Step 2: Convert to fraction form
    75,806.92/113,710.38 = 42,550.35/x
  3. Step 3: Cross multiply
    75,806.92x = 113,710.38 × 42,550.35
  4. Step 4: Simplify right side
    75,806.92x = 4,838,416,121.00
  5. Step 5: Solve for x
    x = 4,838,416,121.00/75,806.92
  6. Step 6: Final answer
    x = 63,825.52

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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.