Home / 89,391.76-133,883.52-42,677.44

Finding the Fourth Proportional to 89,391.76, 133,883.52 and 42,677.44

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Solution

The fourth proportional to 89,391.76, 133,883.52 and 42,677.44 is: 63,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,391.76 : 133,883.52 = 42,677.44 : x
  2. Step 2: Convert to fraction form
    89,391.76/133,883.52 = 42,677.44/x
  3. Step 3: Cross multiply
    89,391.76x = 133,883.52 × 42,677.44
  4. Step 4: Simplify right side
    89,391.76x = 5,713,805,891.79
  5. Step 5: Solve for x
    x = 5,713,805,891.79/89,391.76
  6. Step 6: Final answer
    x = 63,918.71

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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.