Home / 99,571.73-137,408.23-54,249.58

Finding the Fourth Proportional to 99,571.73, 137,408.23 and 54,249.58

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Solution

The fourth proportional to 99,571.73, 137,408.23 and 54,249.58 is: 74,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,571.73 : 137,408.23 = 54,249.58 : x
  2. Step 2: Convert to fraction form
    99,571.73/137,408.23 = 54,249.58/x
  3. Step 3: Cross multiply
    99,571.73x = 137,408.23 × 54,249.58
  4. Step 4: Simplify right side
    99,571.73x = 7,454,338,232.69
  5. Step 5: Solve for x
    x = 7,454,338,232.69/99,571.73
  6. Step 6: Final answer
    x = 74,864.00

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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.