Home / 88,841.30-133,067.55-77,177.30

Finding the Fourth Proportional to 88,841.30, 133,067.55 and 77,177.30

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Solution

The fourth proportional to 88,841.30, 133,067.55 and 77,177.30 is: 115,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,841.30 : 133,067.55 = 77,177.30 : x
  2. Step 2: Convert to fraction form
    88,841.30/133,067.55 = 77,177.30/x
  3. Step 3: Cross multiply
    88,841.30x = 133,067.55 × 77,177.30
  4. Step 4: Simplify right side
    88,841.30x = 10,269,794,226.62
  5. Step 5: Solve for x
    x = 10,269,794,226.62/88,841.30
  6. Step 6: Final answer
    x = 115,597.07

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1.5x scale

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.