Home / 84,401.40-126,581.85-48,785.70

Finding the Fourth Proportional to 84,401.40, 126,581.85 and 48,785.70

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Solution

The fourth proportional to 84,401.40, 126,581.85 and 48,785.70 is: 73,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,401.40 : 126,581.85 = 48,785.70 : x
  2. Step 2: Convert to fraction form
    84,401.40/126,581.85 = 48,785.70/x
  3. Step 3: Cross multiply
    84,401.40x = 126,581.85 × 48,785.70
  4. Step 4: Simplify right side
    84,401.40x = 6,175,384,159.55
  5. Step 5: Solve for x
    x = 6,175,384,159.55/84,401.40
  6. Step 6: Final answer
    x = 73,166.85

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