Home / 84,841.10-127,276.05-25,676.30

Finding the Fourth Proportional to 84,841.10, 127,276.05 and 25,676.30

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Solution

The fourth proportional to 84,841.10, 127,276.05 and 25,676.30 is: 38,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,841.10 : 127,276.05 = 25,676.30 : x
  2. Step 2: Convert to fraction form
    84,841.10/127,276.05 = 25,676.30/x
  3. Step 3: Cross multiply
    84,841.10x = 127,276.05 × 25,676.30
  4. Step 4: Simplify right side
    84,841.10x = 3,267,978,042.62
  5. Step 5: Solve for x
    x = 3,267,978,042.62/84,841.10
  6. Step 6: Final answer
    x = 38,518.81

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1.5x scale

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.