Home / 89,285.76-133,935.12-26,961.12

Finding the Fourth Proportional to 89,285.76, 133,935.12 and 26,961.12

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Solution

The fourth proportional to 89,285.76, 133,935.12 and 26,961.12 is: 40,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,285.76 : 133,935.12 = 26,961.12 : x
  2. Step 2: Convert to fraction form
    89,285.76/133,935.12 = 26,961.12/x
  3. Step 3: Cross multiply
    89,285.76x = 133,935.12 × 26,961.12
  4. Step 4: Simplify right side
    89,285.76x = 3,611,040,842.53
  5. Step 5: Solve for x
    x = 3,611,040,842.53/89,285.76
  6. Step 6: Final answer
    x = 40,443.64

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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.