Home / 88,408.22-122,005.97-54,436.31

Finding the Fourth Proportional to 88,408.22, 122,005.97 and 54,436.31

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Solution

The fourth proportional to 88,408.22, 122,005.97 and 54,436.31 is: 75,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,408.22 : 122,005.97 = 54,436.31 : x
  2. Step 2: Convert to fraction form
    88,408.22/122,005.97 = 54,436.31/x
  3. Step 3: Cross multiply
    88,408.22x = 122,005.97 × 54,436.31
  4. Step 4: Simplify right side
    88,408.22x = 6,641,554,804.77
  5. Step 5: Solve for x
    x = 6,641,554,804.77/88,408.22
  6. Step 6: Final answer
    x = 75,123.72

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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.