Home / 107,716.25-148,656.33-77,092.22

Finding the Fourth Proportional to 107,716.25, 148,656.33 and 77,092.22

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Solution

The fourth proportional to 107,716.25, 148,656.33 and 77,092.22 is: 106,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,716.25 : 148,656.33 = 77,092.22 : x
  2. Step 2: Convert to fraction form
    107,716.25/148,656.33 = 77,092.22/x
  3. Step 3: Cross multiply
    107,716.25x = 148,656.33 × 77,092.22
  4. Step 4: Simplify right side
    107,716.25x = 11,460,246,868.39
  5. Step 5: Solve for x
    x = 11,460,246,868.39/107,716.25
  6. Step 6: Final answer
    x = 106,392.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.