Home / 84,972.98-127,451.17-25,809.17

Finding the Fourth Proportional to 84,972.98, 127,451.17 and 25,809.17

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Solution

The fourth proportional to 84,972.98, 127,451.17 and 25,809.17 is: 38,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,972.98 : 127,451.17 = 25,809.17 : x
  2. Step 2: Convert to fraction form
    84,972.98/127,451.17 = 25,809.17/x
  3. Step 3: Cross multiply
    84,972.98x = 127,451.17 × 25,809.17
  4. Step 4: Simplify right side
    84,972.98x = 3,289,408,308.23
  5. Step 5: Solve for x
    x = 3,289,408,308.23/84,972.98
  6. Step 6: Final answer
    x = 38,711.23

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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.