Home / 89,936.46-124,109.05-49,649.36

Finding the Fourth Proportional to 89,936.46, 124,109.05 and 49,649.36

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Solution

The fourth proportional to 89,936.46, 124,109.05 and 49,649.36 is: 68,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.46 : 124,109.05 = 49,649.36 : x
  2. Step 2: Convert to fraction form
    89,936.46/124,109.05 = 49,649.36/x
  3. Step 3: Cross multiply
    89,936.46x = 124,109.05 × 49,649.36
  4. Step 4: Simplify right side
    89,936.46x = 6,161,934,902.71
  5. Step 5: Solve for x
    x = 6,161,934,902.71/89,936.46
  6. Step 6: Final answer
    x = 68,514.31

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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.