Home / 88,334.11-121,889.99-59,716.04

Finding the Fourth Proportional to 88,334.11, 121,889.99 and 59,716.04

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Solution

The fourth proportional to 88,334.11, 121,889.99 and 59,716.04 is: 82,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,334.11 : 121,889.99 = 59,716.04 : x
  2. Step 2: Convert to fraction form
    88,334.11/121,889.99 = 59,716.04/x
  3. Step 3: Cross multiply
    88,334.11x = 121,889.99 × 59,716.04
  4. Step 4: Simplify right side
    88,334.11x = 7,278,787,518.44
  5. Step 5: Solve for x
    x = 7,278,787,518.44/88,334.11
  6. Step 6: Final answer
    x = 82,400.64

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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.