Home / 77,517.45-106,945.38-48,829.41

Finding the Fourth Proportional to 77,517.45, 106,945.38 and 48,829.41

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Solution

The fourth proportional to 77,517.45, 106,945.38 and 48,829.41 is: 67,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,517.45 : 106,945.38 = 48,829.41 : x
  2. Step 2: Convert to fraction form
    77,517.45/106,945.38 = 48,829.41/x
  3. Step 3: Cross multiply
    77,517.45x = 106,945.38 × 48,829.41
  4. Step 4: Simplify right side
    77,517.45x = 5,222,079,807.63
  5. Step 5: Solve for x
    x = 5,222,079,807.63/77,517.45
  6. Step 6: Final answer
    x = 67,366.51

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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.