Home / 89,933.99-124,109.09-49,647.81

Finding the Fourth Proportional to 89,933.99, 124,109.09 and 49,647.81

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Solution

The fourth proportional to 89,933.99, 124,109.09 and 49,647.81 is: 68,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,933.99 : 124,109.09 = 49,647.81 : x
  2. Step 2: Convert to fraction form
    89,933.99/124,109.09 = 49,647.81/x
  3. Step 3: Cross multiply
    89,933.99x = 124,109.09 × 49,647.81
  4. Step 4: Simplify right side
    89,933.99x = 6,161,744,519.59
  5. Step 5: Solve for x
    x = 6,161,744,519.59/89,933.99
  6. Step 6: Final answer
    x = 68,514.08

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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.