Home / 89,026.05-133,555.55-28,251.75

Finding the Fourth Proportional to 89,026.05, 133,555.55 and 28,251.75

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Solution

The fourth proportional to 89,026.05, 133,555.55 and 28,251.75 is: 42,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,026.05 : 133,555.55 = 28,251.75 : x
  2. Step 2: Convert to fraction form
    89,026.05/133,555.55 = 28,251.75/x
  3. Step 3: Cross multiply
    89,026.05x = 133,555.55 × 28,251.75
  4. Step 4: Simplify right side
    89,026.05x = 3,773,177,868.45
  5. Step 5: Solve for x
    x = 3,773,177,868.45/89,026.05
  6. Step 6: Final answer
    x = 42,382.85

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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.