Home / 60,691.20-91,064.32-27,393.28

Finding the Fourth Proportional to 60,691.20, 91,064.32 and 27,393.28

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Solution

The fourth proportional to 60,691.20, 91,064.32 and 27,393.28 is: 41,102.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,691.20 : 91,064.32 = 27,393.28 : x
  2. Step 2: Convert to fraction form
    60,691.20/91,064.32 = 27,393.28/x
  3. Step 3: Cross multiply
    60,691.20x = 91,064.32 × 27,393.28
  4. Step 4: Simplify right side
    60,691.20x = 2,494,550,415.77
  5. Step 5: Solve for x
    x = 2,494,550,415.77/60,691.20
  6. Step 6: Final answer
    x = 41,102.34

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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.