Home / 88,620.02-132,617.77-55,355.75

Finding the Fourth Proportional to 88,620.02, 132,617.77 and 55,355.75

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Solution

The fourth proportional to 88,620.02, 132,617.77 and 55,355.75 is: 82,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,620.02 : 132,617.77 = 55,355.75 : x
  2. Step 2: Convert to fraction form
    88,620.02/132,617.77 = 55,355.75/x
  3. Step 3: Cross multiply
    88,620.02x = 132,617.77 × 55,355.75
  4. Step 4: Simplify right side
    88,620.02x = 7,341,156,121.68
  5. Step 5: Solve for x
    x = 7,341,156,121.68/88,620.02
  6. Step 6: Final answer
    x = 82,838.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.