Home / 88,701.75-122,408.42-60,456.78

Finding the Fourth Proportional to 88,701.75, 122,408.42 and 60,456.78

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Solution

The fourth proportional to 88,701.75, 122,408.42 and 60,456.78 is: 83,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,701.75 : 122,408.42 = 60,456.78 : x
  2. Step 2: Convert to fraction form
    88,701.75/122,408.42 = 60,456.78/x
  3. Step 3: Cross multiply
    88,701.75x = 122,408.42 × 60,456.78
  4. Step 4: Simplify right side
    88,701.75x = 7,400,418,918.09
  5. Step 5: Solve for x
    x = 7,400,418,918.09/88,701.75
  6. Step 6: Final answer
    x = 83,430.36

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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.