Home / 84,986.40-127,364.78-32,367.18

Finding the Fourth Proportional to 84,986.40, 127,364.78 and 32,367.18

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Solution

The fourth proportional to 84,986.40, 127,364.78 and 32,367.18 is: 48,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,986.40 : 127,364.78 = 32,367.18 : x
  2. Step 2: Convert to fraction form
    84,986.40/127,364.78 = 32,367.18/x
  3. Step 3: Cross multiply
    84,986.40x = 127,364.78 × 32,367.18
  4. Step 4: Simplify right side
    84,986.40x = 4,122,438,759.92
  5. Step 5: Solve for x
    x = 4,122,438,759.92/84,986.40
  6. Step 6: Final answer
    x = 48,507.04

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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.