Home / 88,538.46-132,820.65-33,121.50

Finding the Fourth Proportional to 88,538.46, 132,820.65 and 33,121.50

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Solution

The fourth proportional to 88,538.46, 132,820.65 and 33,121.50 is: 49,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,538.46 : 132,820.65 = 33,121.50 : x
  2. Step 2: Convert to fraction form
    88,538.46/132,820.65 = 33,121.50/x
  3. Step 3: Cross multiply
    88,538.46x = 132,820.65 × 33,121.50
  4. Step 4: Simplify right side
    88,538.46x = 4,399,219,158.98
  5. Step 5: Solve for x
    x = 4,399,219,158.98/88,538.46
  6. Step 6: Final answer
    x = 49,687.10

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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.