Home / 84,986.32-127,498.01-28,062.73

Finding the Fourth Proportional to 84,986.32, 127,498.01 and 28,062.73

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Solution

The fourth proportional to 84,986.32, 127,498.01 and 28,062.73 is: 42,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,986.32 : 127,498.01 = 28,062.73 : x
  2. Step 2: Convert to fraction form
    84,986.32/127,498.01 = 28,062.73/x
  3. Step 3: Cross multiply
    84,986.32x = 127,498.01 × 28,062.73
  4. Step 4: Simplify right side
    84,986.32x = 3,577,942,230.17
  5. Step 5: Solve for x
    x = 3,577,942,230.17/84,986.32
  6. Step 6: Final answer
    x = 42,100.21

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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.