Home / 78,604.20-108,476.07-42,794.82

Finding the Fourth Proportional to 78,604.20, 108,476.07 and 42,794.82

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Solution

The fourth proportional to 78,604.20, 108,476.07 and 42,794.82 is: 59,058.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604.20 : 108,476.07 = 42,794.82 : x
  2. Step 2: Convert to fraction form
    78,604.20/108,476.07 = 42,794.82/x
  3. Step 3: Cross multiply
    78,604.20x = 108,476.07 × 42,794.82
  4. Step 4: Simplify right side
    78,604.20x = 4,642,213,889.96
  5. Step 5: Solve for x
    x = 4,642,213,889.96/78,604.20
  6. Step 6: Final answer
    x = 59,058.09

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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.