Home / 70,774.36-106,081.07-36,988.29

Finding the Fourth Proportional to 70,774.36, 106,081.07 and 36,988.29

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Solution

The fourth proportional to 70,774.36, 106,081.07 and 36,988.29 is: 55,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.36 : 106,081.07 = 36,988.29 : x
  2. Step 2: Convert to fraction form
    70,774.36/106,081.07 = 36,988.29/x
  3. Step 3: Cross multiply
    70,774.36x = 106,081.07 × 36,988.29
  4. Step 4: Simplify right side
    70,774.36x = 3,923,757,195.73
  5. Step 5: Solve for x
    x = 3,923,757,195.73/70,774.36
  6. Step 6: Final answer
    x = 55,440.38

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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.