Home / 77,814.60-107,382.74-43,822.95

Finding the Fourth Proportional to 77,814.60, 107,382.74 and 43,822.95

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Solution

The fourth proportional to 77,814.60, 107,382.74 and 43,822.95 is: 60,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.60 : 107,382.74 = 43,822.95 : x
  2. Step 2: Convert to fraction form
    77,814.60/107,382.74 = 43,822.95/x
  3. Step 3: Cross multiply
    77,814.60x = 107,382.74 × 43,822.95
  4. Step 4: Simplify right side
    77,814.60x = 4,705,828,226.77
  5. Step 5: Solve for x
    x = 4,705,828,226.77/77,814.60
  6. Step 6: Final answer
    x = 60,474.88

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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.