Home / 88,370.19-132,776.72-83,055.78

Finding the Fourth Proportional to 88,370.19, 132,776.72 and 83,055.78

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Solution

The fourth proportional to 88,370.19, 132,776.72 and 83,055.78 is: 124,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,370.19 : 132,776.72 = 83,055.78 : x
  2. Step 2: Convert to fraction form
    88,370.19/132,776.72 = 83,055.78/x
  3. Step 3: Cross multiply
    88,370.19x = 132,776.72 × 83,055.78
  4. Step 4: Simplify right side
    88,370.19x = 11,027,873,941.62
  5. Step 5: Solve for x
    x = 11,027,873,941.62/88,370.19
  6. Step 6: Final answer
    x = 124,791.79

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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.