Home / 84,587.80-126,790.14-55,026.76

Finding the Fourth Proportional to 84,587.80, 126,790.14 and 55,026.76

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Solution

The fourth proportional to 84,587.80, 126,790.14 and 55,026.76 is: 82,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,587.80 : 126,790.14 = 55,026.76 : x
  2. Step 2: Convert to fraction form
    84,587.80/126,790.14 = 55,026.76/x
  3. Step 3: Cross multiply
    84,587.80x = 126,790.14 × 55,026.76
  4. Step 4: Simplify right side
    84,587.80x = 6,976,850,604.15
  5. Step 5: Solve for x
    x = 6,976,850,604.15/84,587.80
  6. Step 6: Final answer
    x = 82,480.58

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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.