Home / 61,278.37-91,995.33-52,102.69

Finding the Fourth Proportional to 61,278.37, 91,995.33 and 52,102.69

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Solution

The fourth proportional to 61,278.37, 91,995.33 and 52,102.69 is: 78,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,278.37 : 91,995.33 = 52,102.69 : x
  2. Step 2: Convert to fraction form
    61,278.37/91,995.33 = 52,102.69/x
  3. Step 3: Cross multiply
    61,278.37x = 91,995.33 × 52,102.69
  4. Step 4: Simplify right side
    61,278.37x = 4,793,204,160.44
  5. Step 5: Solve for x
    x = 4,793,204,160.44/61,278.37
  6. Step 6: Final answer
    x = 78,220.16

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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.