Home / 89,509.36-123,523.69-48,673.61

Finding the Fourth Proportional to 89,509.36, 123,523.69 and 48,673.61

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Solution

The fourth proportional to 89,509.36, 123,523.69 and 48,673.61 is: 67,170.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,509.36 : 123,523.69 = 48,673.61 : x
  2. Step 2: Convert to fraction form
    89,509.36/123,523.69 = 48,673.61/x
  3. Step 3: Cross multiply
    89,509.36x = 123,523.69 × 48,673.61
  4. Step 4: Simplify right side
    89,509.36x = 6,012,343,912.82
  5. Step 5: Solve for x
    x = 6,012,343,912.82/89,509.36
  6. Step 6: Final answer
    x = 67,170.01

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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.