Home / 84,757.52-127,087.04-32,138.28

Finding the Fourth Proportional to 84,757.52, 127,087.04 and 32,138.28

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Solution

The fourth proportional to 84,757.52, 127,087.04 and 32,138.28 is: 48,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,757.52 : 127,087.04 = 32,138.28 : x
  2. Step 2: Convert to fraction form
    84,757.52/127,087.04 = 32,138.28/x
  3. Step 3: Cross multiply
    84,757.52x = 127,087.04 × 32,138.28
  4. Step 4: Simplify right side
    84,757.52x = 4,084,358,875.89
  5. Step 5: Solve for x
    x = 4,084,358,875.89/84,757.52
  6. Step 6: Final answer
    x = 48,188.75

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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.