Home / 89,997.27-124,186.53-49,709.08

Finding the Fourth Proportional to 89,997.27, 124,186.53 and 49,709.08

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Solution

The fourth proportional to 89,997.27, 124,186.53 and 49,709.08 is: 68,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,997.27 : 124,186.53 = 49,709.08 : x
  2. Step 2: Convert to fraction form
    89,997.27/124,186.53 = 49,709.08/x
  3. Step 3: Cross multiply
    89,997.27x = 124,186.53 × 49,709.08
  4. Step 4: Simplify right side
    89,997.27x = 6,173,198,154.69
  5. Step 5: Solve for x
    x = 6,173,198,154.69/89,997.27
  6. Step 6: Final answer
    x = 68,593.17

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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.