Home / 88,218.41-121,791.87-58,091.27

Finding the Fourth Proportional to 88,218.41, 121,791.87 and 58,091.27

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Solution

The fourth proportional to 88,218.41, 121,791.87 and 58,091.27 is: 80,199.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218.41 : 121,791.87 = 58,091.27 : x
  2. Step 2: Convert to fraction form
    88,218.41/121,791.87 = 58,091.27/x
  3. Step 3: Cross multiply
    88,218.41x = 121,791.87 × 58,091.27
  4. Step 4: Simplify right side
    88,218.41x = 7,075,043,795.02
  5. Step 5: Solve for x
    x = 7,075,043,795.02/88,218.41
  6. Step 6: Final answer
    x = 80,199.18

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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.