Home / 88,511.28-122,089.77-52,674.54

Finding the Fourth Proportional to 88,511.28, 122,089.77 and 52,674.54

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Solution

The fourth proportional to 88,511.28, 122,089.77 and 52,674.54 is: 72,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.28 : 122,089.77 = 52,674.54 : x
  2. Step 2: Convert to fraction form
    88,511.28/122,089.77 = 52,674.54/x
  3. Step 3: Cross multiply
    88,511.28x = 122,089.77 × 52,674.54
  4. Step 4: Simplify right side
    88,511.28x = 6,431,022,473.46
  5. Step 5: Solve for x
    x = 6,431,022,473.46/88,511.28
  6. Step 6: Final answer
    x = 72,657.66

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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.