Home / 80,380.29-110,902.52-46,386.39

Finding the Fourth Proportional to 80,380.29, 110,902.52 and 46,386.39

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Solution

The fourth proportional to 80,380.29, 110,902.52 and 46,386.39 is: 64,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.29 : 110,902.52 = 46,386.39 : x
  2. Step 2: Convert to fraction form
    80,380.29/110,902.52 = 46,386.39/x
  3. Step 3: Cross multiply
    80,380.29x = 110,902.52 × 46,386.39
  4. Step 4: Simplify right side
    80,380.29x = 5,144,367,660.67
  5. Step 5: Solve for x
    x = 5,144,367,660.67/80,380.29
  6. Step 6: Final answer
    x = 64,000.36

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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.