Home / 89,266.15-123,183.16-48,978.91

Finding the Fourth Proportional to 89,266.15, 123,183.16 and 48,978.91

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Solution

The fourth proportional to 89,266.15, 123,183.16 and 48,978.91 is: 67,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,266.15 : 123,183.16 = 48,978.91 : x
  2. Step 2: Convert to fraction form
    89,266.15/123,183.16 = 48,978.91/x
  3. Step 3: Cross multiply
    89,266.15x = 123,183.16 × 48,978.91
  4. Step 4: Simplify right side
    89,266.15x = 6,033,376,907.16
  5. Step 5: Solve for x
    x = 6,033,376,907.16/89,266.15
  6. Step 6: Final answer
    x = 67,588.63

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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.