Home / 78,566.14-117,863.88-26,012.62

Finding the Fourth Proportional to 78,566.14, 117,863.88 and 26,012.62

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Solution

The fourth proportional to 78,566.14, 117,863.88 and 26,012.62 is: 39,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,566.14 : 117,863.88 = 26,012.62 : x
  2. Step 2: Convert to fraction form
    78,566.14/117,863.88 = 26,012.62/x
  3. Step 3: Cross multiply
    78,566.14x = 117,863.88 × 26,012.62
  4. Step 4: Simplify right side
    78,566.14x = 3,065,948,322.17
  5. Step 5: Solve for x
    x = 3,065,948,322.17/78,566.14
  6. Step 6: Final answer
    x = 39,023.79

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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.