Home / 77,517.64-106,900.84-50,683.16

Finding the Fourth Proportional to 77,517.64, 106,900.84 and 50,683.16

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Solution

The fourth proportional to 77,517.64, 106,900.84 and 50,683.16 is: 69,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,517.64 : 106,900.84 = 50,683.16 : x
  2. Step 2: Convert to fraction form
    77,517.64/106,900.84 = 50,683.16/x
  3. Step 3: Cross multiply
    77,517.64x = 106,900.84 × 50,683.16
  4. Step 4: Simplify right side
    77,517.64x = 5,418,072,377.85
  5. Step 5: Solve for x
    x = 5,418,072,377.85/77,517.64
  6. Step 6: Final answer
    x = 69,894.70

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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.