Home / 88,385.88-132,512.60-53,317.36

Finding the Fourth Proportional to 88,385.88, 132,512.60 and 53,317.36

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Solution

The fourth proportional to 88,385.88, 132,512.60 and 53,317.36 is: 79,936.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.88 : 132,512.60 = 53,317.36 : x
  2. Step 2: Convert to fraction form
    88,385.88/132,512.60 = 53,317.36/x
  3. Step 3: Cross multiply
    88,385.88x = 132,512.60 × 53,317.36
  4. Step 4: Simplify right side
    88,385.88x = 7,065,221,998.74
  5. Step 5: Solve for x
    x = 7,065,221,998.74/88,385.88
  6. Step 6: Final answer
    x = 79,936.09

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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.