Home / 78,833.16-118,252.44-25,523.82

Finding the Fourth Proportional to 78,833.16, 118,252.44 and 25,523.82

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Solution

The fourth proportional to 78,833.16, 118,252.44 and 25,523.82 is: 38,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833.16 : 118,252.44 = 25,523.82 : x
  2. Step 2: Convert to fraction form
    78,833.16/118,252.44 = 25,523.82/x
  3. Step 3: Cross multiply
    78,833.16x = 118,252.44 × 25,523.82
  4. Step 4: Simplify right side
    78,833.16x = 3,018,253,993.12
  5. Step 5: Solve for x
    x = 3,018,253,993.12/78,833.16
  6. Step 6: Final answer
    x = 38,286.60

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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.