Home / 84,353.20-126,529.80-34,416.70

Finding the Fourth Proportional to 84,353.20, 126,529.80 and 34,416.70

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Solution

The fourth proportional to 84,353.20, 126,529.80 and 34,416.70 is: 51,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.20 : 126,529.80 = 34,416.70 : x
  2. Step 2: Convert to fraction form
    84,353.20/126,529.80 = 34,416.70/x
  3. Step 3: Cross multiply
    84,353.20x = 126,529.80 × 34,416.70
  4. Step 4: Simplify right side
    84,353.20x = 4,354,738,167.66
  5. Step 5: Solve for x
    x = 4,354,738,167.66/84,353.20
  6. Step 6: Final answer
    x = 51,625.05

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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.