Home / 84,748.85-127,117.10-34,815.39

Finding the Fourth Proportional to 84,748.85, 127,117.10 and 34,815.39

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Solution

The fourth proportional to 84,748.85, 127,117.10 and 34,815.39 is: 52,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.85 : 127,117.10 = 34,815.39 : x
  2. Step 2: Convert to fraction form
    84,748.85/127,117.10 = 34,815.39/x
  3. Step 3: Cross multiply
    84,748.85x = 127,117.10 × 34,815.39
  4. Step 4: Simplify right side
    84,748.85x = 4,425,631,238.09
  5. Step 5: Solve for x
    x = 4,425,631,238.09/84,748.85
  6. Step 6: Final answer
    x = 52,220.55

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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.