Home / 84,752.25-127,146.60-28,593.75

Finding the Fourth Proportional to 84,752.25, 127,146.60 and 28,593.75

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Solution

The fourth proportional to 84,752.25, 127,146.60 and 28,593.75 is: 42,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752.25 : 127,146.60 = 28,593.75 : x
  2. Step 2: Convert to fraction form
    84,752.25/127,146.60 = 28,593.75/x
  3. Step 3: Cross multiply
    84,752.25x = 127,146.60 × 28,593.75
  4. Step 4: Simplify right side
    84,752.25x = 3,635,598,093.75
  5. Step 5: Solve for x
    x = 3,635,598,093.75/84,752.25
  6. Step 6: Final answer
    x = 42,896.77

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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.