Home / 120,798.48-166,706.18-67,084.40

Finding the Fourth Proportional to 120,798.48, 166,706.18 and 67,084.40

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Solution

The fourth proportional to 120,798.48, 166,706.18 and 67,084.40 is: 92,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,798.48 : 166,706.18 = 67,084.40 : x
  2. Step 2: Convert to fraction form
    120,798.48/166,706.18 = 67,084.40/x
  3. Step 3: Cross multiply
    120,798.48x = 166,706.18 × 67,084.40
  4. Step 4: Simplify right side
    120,798.48x = 11,183,384,061.59
  5. Step 5: Solve for x
    x = 11,183,384,061.59/120,798.48
  6. Step 6: Final answer
    x = 92,578.85

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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.