Home / 77,816.24-107,374.56-43,822.94

Finding the Fourth Proportional to 77,816.24, 107,374.56 and 43,822.94

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Solution

The fourth proportional to 77,816.24, 107,374.56 and 43,822.94 is: 60,468.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,816.24 : 107,374.56 = 43,822.94 : x
  2. Step 2: Convert to fraction form
    77,816.24/107,374.56 = 43,822.94/x
  3. Step 3: Cross multiply
    77,816.24x = 107,374.56 × 43,822.94
  4. Step 4: Simplify right side
    77,816.24x = 4,705,468,900.41
  5. Step 5: Solve for x
    x = 4,705,468,900.41/77,816.24
  6. Step 6: Final answer
    x = 60,468.98

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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.