Home / 78,744.87-108,677.14-44,758.46

Finding the Fourth Proportional to 78,744.87, 108,677.14 and 44,758.46

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Solution

The fourth proportional to 78,744.87, 108,677.14 and 44,758.46 is: 61,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,744.87 : 108,677.14 = 44,758.46 : x
  2. Step 2: Convert to fraction form
    78,744.87/108,677.14 = 44,758.46/x
  3. Step 3: Cross multiply
    78,744.87x = 108,677.14 × 44,758.46
  4. Step 4: Simplify right side
    78,744.87x = 4,864,221,583.40
  5. Step 5: Solve for x
    x = 4,864,221,583.40/78,744.87
  6. Step 6: Final answer
    x = 61,771.92

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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.