Home / 88,408.34-122,006.16-54,436.42

Finding the Fourth Proportional to 88,408.34, 122,006.16 and 54,436.42

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Solution

The fourth proportional to 88,408.34, 122,006.16 and 54,436.42 is: 75,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,408.34 : 122,006.16 = 54,436.42 : x
  2. Step 2: Convert to fraction form
    88,408.34/122,006.16 = 54,436.42/x
  3. Step 3: Cross multiply
    88,408.34x = 122,006.16 × 54,436.42
  4. Step 4: Simplify right side
    88,408.34x = 6,641,578,568.35
  5. Step 5: Solve for x
    x = 6,641,578,568.35/88,408.34
  6. Step 6: Final answer
    x = 75,123.89

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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.