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Finding the Fourth Proportional to 84,951.92, 127,348.29 and 28,752.68

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Solution

The fourth proportional to 84,951.92, 127,348.29 and 28,752.68 is: 43,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,951.92 : 127,348.29 = 28,752.68 : x
  2. Step 2: Convert to fraction form
    84,951.92/127,348.29 = 28,752.68/x
  3. Step 3: Cross multiply
    84,951.92x = 127,348.29 × 28,752.68
  4. Step 4: Simplify right side
    84,951.92x = 3,661,604,630.92
  5. Step 5: Solve for x
    x = 3,661,604,630.92/84,951.92
  6. Step 6: Final answer
    x = 43,102.08

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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.