Home / 77,166.17-106,453.34-49,951.04

Finding the Fourth Proportional to 77,166.17, 106,453.34 and 49,951.04

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Solution

The fourth proportional to 77,166.17, 106,453.34 and 49,951.04 is: 68,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,166.17 : 106,453.34 = 49,951.04 : x
  2. Step 2: Convert to fraction form
    77,166.17/106,453.34 = 49,951.04/x
  3. Step 3: Cross multiply
    77,166.17x = 106,453.34 × 49,951.04
  4. Step 4: Simplify right side
    77,166.17x = 5,317,454,794.72
  5. Step 5: Solve for x
    x = 5,317,454,794.72/77,166.17
  6. Step 6: Final answer
    x = 68,909.14

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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.