Home / 88,708.90-133,063.35-82,293.70

Finding the Fourth Proportional to 88,708.90, 133,063.35 and 82,293.70

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Solution

The fourth proportional to 88,708.90, 133,063.35 and 82,293.70 is: 123,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,708.90 : 133,063.35 = 82,293.70 : x
  2. Step 2: Convert to fraction form
    88,708.90/133,063.35 = 82,293.70/x
  3. Step 3: Cross multiply
    88,708.90x = 133,063.35 × 82,293.70
  4. Step 4: Simplify right side
    88,708.90x = 10,950,275,405.90
  5. Step 5: Solve for x
    x = 10,950,275,405.90/88,708.90
  6. Step 6: Final answer
    x = 123,440.55

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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.