Home / 88,086.22-121,580.58-54,102.85

Finding the Fourth Proportional to 88,086.22, 121,580.58 and 54,102.85

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Solution

The fourth proportional to 88,086.22, 121,580.58 and 54,102.85 is: 74,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,086.22 : 121,580.58 = 54,102.85 : x
  2. Step 2: Convert to fraction form
    88,086.22/121,580.58 = 54,102.85/x
  3. Step 3: Cross multiply
    88,086.22x = 121,580.58 × 54,102.85
  4. Step 4: Simplify right side
    88,086.22x = 6,577,855,882.65
  5. Step 5: Solve for x
    x = 6,577,855,882.65/88,086.22
  6. Step 6: Final answer
    x = 74,675.20

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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.