Home / 88,315.88-121,881.24-50,077.04

Finding the Fourth Proportional to 88,315.88, 121,881.24 and 50,077.04

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Solution

The fourth proportional to 88,315.88, 121,881.24 and 50,077.04 is: 69,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,315.88 : 121,881.24 = 50,077.04 : x
  2. Step 2: Convert to fraction form
    88,315.88/121,881.24 = 50,077.04/x
  3. Step 3: Cross multiply
    88,315.88x = 121,881.24 × 50,077.04
  4. Step 4: Simplify right side
    88,315.88x = 6,103,451,730.73
  5. Step 5: Solve for x
    x = 6,103,451,730.73/88,315.88
  6. Step 6: Final answer
    x = 69,109.33

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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.