Home / 78,340.91-117,476.46-25,023.06

Finding the Fourth Proportional to 78,340.91, 117,476.46 and 25,023.06

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Solution

The fourth proportional to 78,340.91, 117,476.46 and 25,023.06 is: 37,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,340.91 : 117,476.46 = 25,023.06 : x
  2. Step 2: Convert to fraction form
    78,340.91/117,476.46 = 25,023.06/x
  3. Step 3: Cross multiply
    78,340.91x = 117,476.46 × 25,023.06
  4. Step 4: Simplify right side
    78,340.91x = 2,939,620,507.17
  5. Step 5: Solve for x
    x = 2,939,620,507.17/78,340.91
  6. Step 6: Final answer
    x = 37,523.44

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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.