Home / 88,822.78-132,742.95-79,571.77

Finding the Fourth Proportional to 88,822.78, 132,742.95 and 79,571.77

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Solution

The fourth proportional to 88,822.78, 132,742.95 and 79,571.77 is: 118,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,822.78 : 132,742.95 = 79,571.77 : x
  2. Step 2: Convert to fraction form
    88,822.78/132,742.95 = 79,571.77/x
  3. Step 3: Cross multiply
    88,822.78x = 132,742.95 × 79,571.77
  4. Step 4: Simplify right side
    88,822.78x = 10,562,591,303.86
  5. Step 5: Solve for x
    x = 10,562,591,303.86/88,822.78
  6. Step 6: Final answer
    x = 118,917.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.