Home / 77,724.16-107,261.76-44,192.32

Finding the Fourth Proportional to 77,724.16, 107,261.76 and 44,192.32

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Solution

The fourth proportional to 77,724.16, 107,261.76 and 44,192.32 is: 60,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,724.16 : 107,261.76 = 44,192.32 : x
  2. Step 2: Convert to fraction form
    77,724.16/107,261.76 = 44,192.32/x
  3. Step 3: Cross multiply
    77,724.16x = 107,261.76 × 44,192.32
  4. Step 4: Simplify right side
    77,724.16x = 4,740,146,021.68
  5. Step 5: Solve for x
    x = 4,740,146,021.68/77,724.16
  6. Step 6: Final answer
    x = 60,986.78

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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.