Home / 84,256.58-126,349.71-34,302.75

Finding the Fourth Proportional to 84,256.58, 126,349.71 and 34,302.75

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Solution

The fourth proportional to 84,256.58, 126,349.71 and 34,302.75 is: 51,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,256.58 : 126,349.71 = 34,302.75 : x
  2. Step 2: Convert to fraction form
    84,256.58/126,349.71 = 34,302.75/x
  3. Step 3: Cross multiply
    84,256.58x = 126,349.71 × 34,302.75
  4. Step 4: Simplify right side
    84,256.58x = 4,334,142,514.70
  5. Step 5: Solve for x
    x = 4,334,142,514.70/84,256.58
  6. Step 6: Final answer
    x = 51,439.81

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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.