Home / 80,233.36-110,772.46-51,565.84

Finding the Fourth Proportional to 80,233.36, 110,772.46 and 51,565.84

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Solution

The fourth proportional to 80,233.36, 110,772.46 and 51,565.84 is: 71,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,233.36 : 110,772.46 = 51,565.84 : x
  2. Step 2: Convert to fraction form
    80,233.36/110,772.46 = 51,565.84/x
  3. Step 3: Cross multiply
    80,233.36x = 110,772.46 × 51,565.84
  4. Step 4: Simplify right side
    80,233.36x = 5,712,074,948.77
  5. Step 5: Solve for x
    x = 5,712,074,948.77/80,233.36
  6. Step 6: Final answer
    x = 71,193.27

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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.