Home / 88,142.16-132,221.52-28,977.96

Finding the Fourth Proportional to 88,142.16, 132,221.52 and 28,977.96

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Solution

The fourth proportional to 88,142.16, 132,221.52 and 28,977.96 is: 43,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.16 : 132,221.52 = 28,977.96 : x
  2. Step 2: Convert to fraction form
    88,142.16/132,221.52 = 28,977.96/x
  3. Step 3: Cross multiply
    88,142.16x = 132,221.52 × 28,977.96
  4. Step 4: Simplify right side
    88,142.16x = 3,831,509,917.70
  5. Step 5: Solve for x
    x = 3,831,509,917.70/88,142.16
  6. Step 6: Final answer
    x = 43,469.66

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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.