Home / 89,825.99-123,958.23-49,543.49

Finding the Fourth Proportional to 89,825.99, 123,958.23 and 49,543.49

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Solution

The fourth proportional to 89,825.99, 123,958.23 and 49,543.49 is: 68,369.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.99 : 123,958.23 = 49,543.49 : x
  2. Step 2: Convert to fraction form
    89,825.99/123,958.23 = 49,543.49/x
  3. Step 3: Cross multiply
    89,825.99x = 123,958.23 × 49,543.49
  4. Step 4: Simplify right side
    89,825.99x = 6,141,323,328.42
  5. Step 5: Solve for x
    x = 6,141,323,328.42/89,825.99
  6. Step 6: Final answer
    x = 68,369.11

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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.