Home / 77,254.82-115,888.22-23,215.28

Finding the Fourth Proportional to 77,254.82, 115,888.22 and 23,215.28

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Solution

The fourth proportional to 77,254.82, 115,888.22 and 23,215.28 is: 34,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,254.82 : 115,888.22 = 23,215.28 : x
  2. Step 2: Convert to fraction form
    77,254.82/115,888.22 = 23,215.28/x
  3. Step 3: Cross multiply
    77,254.82x = 115,888.22 × 23,215.28
  4. Step 4: Simplify right side
    77,254.82x = 2,690,377,758.47
  5. Step 5: Solve for x
    x = 2,690,377,758.47/77,254.82
  6. Step 6: Final answer
    x = 34,824.72

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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.