Home / 99,456.03-137,238.07-58,617.49

Finding the Fourth Proportional to 99,456.03, 137,238.07 and 58,617.49

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Solution

The fourth proportional to 99,456.03, 137,238.07 and 58,617.49 is: 80,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456.03 : 137,238.07 = 58,617.49 : x
  2. Step 2: Convert to fraction form
    99,456.03/137,238.07 = 58,617.49/x
  3. Step 3: Cross multiply
    99,456.03x = 137,238.07 × 58,617.49
  4. Step 4: Simplify right side
    99,456.03x = 8,044,551,195.84
  5. Step 5: Solve for x
    x = 8,044,551,195.84/99,456.03
  6. Step 6: Final answer
    x = 80,885.50

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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.