Home / 112,408-168,623.33-36,503.36

Finding the Fourth Proportional to 112,408, 168,623.33 and 36,503.36

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Solution

The fourth proportional to 112,408, 168,623.33 and 36,503.36 is: 54,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,408 : 168,623.33 = 36,503.36 : x
  2. Step 2: Convert to fraction form
    112,408/168,623.33 = 36,503.36/x
  3. Step 3: Cross multiply
    112,408x = 168,623.33 × 36,503.36
  4. Step 4: Simplify right side
    112,408x = 6,155,318,119.39
  5. Step 5: Solve for x
    x = 6,155,318,119.39/112,408
  6. Step 6: Final answer
    x = 54,758.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.