Home / 90,716.52-136,071-27,534.36

Finding the Fourth Proportional to 90,716.52, 136,071 and 27,534.36

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Solution

The fourth proportional to 90,716.52, 136,071 and 27,534.36 is: 41,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716.52 : 136,071 = 27,534.36 : x
  2. Step 2: Convert to fraction form
    90,716.52/136,071 = 27,534.36/x
  3. Step 3: Cross multiply
    90,716.52x = 136,071 × 27,534.36
  4. Step 4: Simplify right side
    90,716.52x = 3,746,627,899.56
  5. Step 5: Solve for x
    x = 3,746,627,899.56/90,716.52
  6. Step 6: Final answer
    x = 41,300.39

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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.