Home / 88,986.17-122,858.24-79,409.61

Finding the Fourth Proportional to 88,986.17, 122,858.24 and 79,409.61

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Solution

The fourth proportional to 88,986.17, 122,858.24 and 79,409.61 is: 109,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,986.17 : 122,858.24 = 79,409.61 : x
  2. Step 2: Convert to fraction form
    88,986.17/122,858.24 = 79,409.61/x
  3. Step 3: Cross multiply
    88,986.17x = 122,858.24 × 79,409.61
  4. Step 4: Simplify right side
    88,986.17x = 9,756,124,526.64
  5. Step 5: Solve for x
    x = 9,756,124,526.64/88,986.17
  6. Step 6: Final answer
    x = 109,636.41

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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.