Home / 89,604.77-123,653.63-49,317.66

Finding the Fourth Proportional to 89,604.77, 123,653.63 and 49,317.66

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Solution

The fourth proportional to 89,604.77, 123,653.63 and 49,317.66 is: 68,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,604.77 : 123,653.63 = 49,317.66 : x
  2. Step 2: Convert to fraction form
    89,604.77/123,653.63 = 49,317.66/x
  3. Step 3: Cross multiply
    89,604.77x = 123,653.63 × 49,317.66
  4. Step 4: Simplify right side
    89,604.77x = 6,098,307,435.52
  5. Step 5: Solve for x
    x = 6,098,307,435.52/89,604.77
  6. Step 6: Final answer
    x = 68,057.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.