Home / 77,727.02-107,260.85-43,737.44

Finding the Fourth Proportional to 77,727.02, 107,260.85 and 43,737.44

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Solution

The fourth proportional to 77,727.02, 107,260.85 and 43,737.44 is: 60,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,727.02 : 107,260.85 = 43,737.44 : x
  2. Step 2: Convert to fraction form
    77,727.02/107,260.85 = 43,737.44/x
  3. Step 3: Cross multiply
    77,727.02x = 107,260.85 × 43,737.44
  4. Step 4: Simplify right side
    77,727.02x = 4,691,314,772.54
  5. Step 5: Solve for x
    x = 4,691,314,772.54/77,727.02
  6. Step 6: Final answer
    x = 60,356.29

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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.