Home / 89,936.22-124,108.70-49,649.10

Finding the Fourth Proportional to 89,936.22, 124,108.70 and 49,649.10

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Solution

The fourth proportional to 89,936.22, 124,108.70 and 49,649.10 is: 68,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.22 : 124,108.70 = 49,649.10 : x
  2. Step 2: Convert to fraction form
    89,936.22/124,108.70 = 49,649.10/x
  3. Step 3: Cross multiply
    89,936.22x = 124,108.70 × 49,649.10
  4. Step 4: Simplify right side
    89,936.22x = 6,161,885,257.17
  5. Step 5: Solve for x
    x = 6,161,885,257.17/89,936.22
  6. Step 6: Final answer
    x = 68,513.95

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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.