Home / 88,272.40-132,235.80-53,107.60

Finding the Fourth Proportional to 88,272.40, 132,235.80 and 53,107.60

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Solution

The fourth proportional to 88,272.40, 132,235.80 and 53,107.60 is: 79,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,272.40 : 132,235.80 = 53,107.60 : x
  2. Step 2: Convert to fraction form
    88,272.40/132,235.80 = 53,107.60/x
  3. Step 3: Cross multiply
    88,272.40x = 132,235.80 × 53,107.60
  4. Step 4: Simplify right side
    88,272.40x = 7,022,725,972.08
  5. Step 5: Solve for x
    x = 7,022,725,972.08/88,272.40
  6. Step 6: Final answer
    x = 79,557.44

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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.