Home / 84,748.35-127,116.34-34,814.89

Finding the Fourth Proportional to 84,748.35, 127,116.34 and 34,814.89

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Solution

The fourth proportional to 84,748.35, 127,116.34 and 34,814.89 is: 52,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.35 : 127,116.34 = 34,814.89 : x
  2. Step 2: Convert to fraction form
    84,748.35/127,116.34 = 34,814.89/x
  3. Step 3: Cross multiply
    84,748.35x = 127,116.34 × 34,814.89
  4. Step 4: Simplify right side
    84,748.35x = 4,425,541,394.30
  5. Step 5: Solve for x
    x = 4,425,541,394.30/84,748.35
  6. Step 6: Final answer
    x = 52,219.79

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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.