Home / 89,315.75-123,252.54-50,552.74

Finding the Fourth Proportional to 89,315.75, 123,252.54 and 50,552.74

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Solution

The fourth proportional to 89,315.75, 123,252.54 and 50,552.74 is: 69,760.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.75 : 123,252.54 = 50,552.74 : x
  2. Step 2: Convert to fraction form
    89,315.75/123,252.54 = 50,552.74/x
  3. Step 3: Cross multiply
    89,315.75x = 123,252.54 × 50,552.74
  4. Step 4: Simplify right side
    89,315.75x = 6,230,753,730.02
  5. Step 5: Solve for x
    x = 6,230,753,730.02/89,315.75
  6. Step 6: Final answer
    x = 69,760.98

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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.