Home / 78,827.24-108,596.76-54,910.64

Finding the Fourth Proportional to 78,827.24, 108,596.76 and 54,910.64

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Solution

The fourth proportional to 78,827.24, 108,596.76 and 54,910.64 is: 75,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.24 : 108,596.76 = 54,910.64 : x
  2. Step 2: Convert to fraction form
    78,827.24/108,596.76 = 54,910.64/x
  3. Step 3: Cross multiply
    78,827.24x = 108,596.76 × 54,910.64
  4. Step 4: Simplify right side
    78,827.24x = 5,963,117,593.53
  5. Step 5: Solve for x
    x = 5,963,117,593.53/78,827.24
  6. Step 6: Final answer
    x = 75,647.93

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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.