Home / 84,748.28-127,123.32-25,584.44

Finding the Fourth Proportional to 84,748.28, 127,123.32 and 25,584.44

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Solution

The fourth proportional to 84,748.28, 127,123.32 and 25,584.44 is: 38,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.28 : 127,123.32 = 25,584.44 : x
  2. Step 2: Convert to fraction form
    84,748.28/127,123.32 = 25,584.44/x
  3. Step 3: Cross multiply
    84,748.28x = 127,123.32 × 25,584.44
  4. Step 4: Simplify right side
    84,748.28x = 3,252,378,953.14
  5. Step 5: Solve for x
    x = 3,252,378,953.14/84,748.28
  6. Step 6: Final answer
    x = 38,376.93

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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.