Home / 89,144.70-123,018.93-48,857.64

Finding the Fourth Proportional to 89,144.70, 123,018.93 and 48,857.64

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Solution

The fourth proportional to 89,144.70, 123,018.93 and 48,857.64 is: 67,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,144.70 : 123,018.93 = 48,857.64 : x
  2. Step 2: Convert to fraction form
    89,144.70/123,018.93 = 48,857.64/x
  3. Step 3: Cross multiply
    89,144.70x = 123,018.93 × 48,857.64
  4. Step 4: Simplify right side
    89,144.70x = 6,010,414,595.13
  5. Step 5: Solve for x
    x = 6,010,414,595.13/89,144.70
  6. Step 6: Final answer
    x = 67,423.13

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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.