Home / 84,748.40-127,091.28-25,566.56

Finding the Fourth Proportional to 84,748.40, 127,091.28 and 25,566.56

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Solution

The fourth proportional to 84,748.40, 127,091.28 and 25,566.56 is: 38,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,748.40 : 127,091.28 = 25,566.56 : x
  2. Step 2: Convert to fraction form
    84,748.40/127,091.28 = 25,566.56/x
  3. Step 3: Cross multiply
    84,748.40x = 127,091.28 × 25,566.56
  4. Step 4: Simplify right side
    84,748.40x = 3,249,286,835.60
  5. Step 5: Solve for x
    x = 3,249,286,835.60/84,748.40
  6. Step 6: Final answer
    x = 38,340.39

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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.