Home / 88,228.48-132,106.08-74,231.68

Finding the Fourth Proportional to 88,228.48, 132,106.08 and 74,231.68

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Solution

The fourth proportional to 88,228.48, 132,106.08 and 74,231.68 is: 111,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,228.48 : 132,106.08 = 74,231.68 : x
  2. Step 2: Convert to fraction form
    88,228.48/132,106.08 = 74,231.68/x
  3. Step 3: Cross multiply
    88,228.48x = 132,106.08 × 74,231.68
  4. Step 4: Simplify right side
    88,228.48x = 9,806,456,256.61
  5. Step 5: Solve for x
    x = 9,806,456,256.61/88,228.48
  6. Step 6: Final answer
    x = 111,148.42

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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.