Home / 84,983.52-127,531.68-56,933.76

Finding the Fourth Proportional to 84,983.52, 127,531.68 and 56,933.76

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Solution

The fourth proportional to 84,983.52, 127,531.68 and 56,933.76 is: 85,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,983.52 : 127,531.68 = 56,933.76 : x
  2. Step 2: Convert to fraction form
    84,983.52/127,531.68 = 56,933.76/x
  3. Step 3: Cross multiply
    84,983.52x = 127,531.68 × 56,933.76
  4. Step 4: Simplify right side
    84,983.52x = 7,260,858,061.52
  5. Step 5: Solve for x
    x = 7,260,858,061.52/84,983.52
  6. Step 6: Final answer
    x = 85,438.42

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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.