Home / 84,948.69-127,439.10-28,025.85

Finding the Fourth Proportional to 84,948.69, 127,439.10 and 28,025.85

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Solution

The fourth proportional to 84,948.69, 127,439.10 and 28,025.85 is: 42,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,948.69 : 127,439.10 = 28,025.85 : x
  2. Step 2: Convert to fraction form
    84,948.69/127,439.10 = 28,025.85/x
  3. Step 3: Cross multiply
    84,948.69x = 127,439.10 × 28,025.85
  4. Step 4: Simplify right side
    84,948.69x = 3,571,589,100.74
  5. Step 5: Solve for x
    x = 3,571,589,100.74/84,948.69
  6. Step 6: Final answer
    x = 42,044.08

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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.