Home / 89,932.99-124,107.71-49,646.81

Finding the Fourth Proportional to 89,932.99, 124,107.71 and 49,646.81

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Solution

The fourth proportional to 89,932.99, 124,107.71 and 49,646.81 is: 68,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,932.99 : 124,107.71 = 49,646.81 : x
  2. Step 2: Convert to fraction form
    89,932.99/124,107.71 = 49,646.81/x
  3. Step 3: Cross multiply
    89,932.99x = 124,107.71 × 49,646.81
  4. Step 4: Simplify right side
    89,932.99x = 6,161,551,277.37
  5. Step 5: Solve for x
    x = 6,161,551,277.37/89,932.99
  6. Step 6: Final answer
    x = 68,512.69

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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.