Home / 84,999.20-127,503.36-25,836.80

Finding the Fourth Proportional to 84,999.20, 127,503.36 and 25,836.80

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Solution

The fourth proportional to 84,999.20, 127,503.36 and 25,836.80 is: 38,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,999.20 : 127,503.36 = 25,836.80 : x
  2. Step 2: Convert to fraction form
    84,999.20/127,503.36 = 25,836.80/x
  3. Step 3: Cross multiply
    84,999.20x = 127,503.36 × 25,836.80
  4. Step 4: Simplify right side
    84,999.20x = 3,294,278,811.65
  5. Step 5: Solve for x
    x = 3,294,278,811.65/84,999.20
  6. Step 6: Final answer
    x = 38,756.59

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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.