Home / 79,255.56-119,031.36-69,771.24

Finding the Fourth Proportional to 79,255.56, 119,031.36 and 69,771.24

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Solution

The fourth proportional to 79,255.56, 119,031.36 and 69,771.24 is: 104,787.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.56 : 119,031.36 = 69,771.24 : x
  2. Step 2: Convert to fraction form
    79,255.56/119,031.36 = 69,771.24/x
  3. Step 3: Cross multiply
    79,255.56x = 119,031.36 × 69,771.24
  4. Step 4: Simplify right side
    79,255.56x = 8,304,965,586.09
  5. Step 5: Solve for x
    x = 8,304,965,586.09/79,255.56
  6. Step 6: Final answer
    x = 104,787.17

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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.