Home / 77,256.42-106,624.66-55,815.56

Finding the Fourth Proportional to 77,256.42, 106,624.66 and 55,815.56

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Solution

The fourth proportional to 77,256.42, 106,624.66 and 55,815.56 is: 77,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256.42 : 106,624.66 = 55,815.56 : x
  2. Step 2: Convert to fraction form
    77,256.42/106,624.66 = 55,815.56/x
  3. Step 3: Cross multiply
    77,256.42x = 106,624.66 × 55,815.56
  4. Step 4: Simplify right side
    77,256.42x = 5,951,314,574.59
  5. Step 5: Solve for x
    x = 5,951,314,574.59/77,256.42
  6. Step 6: Final answer
    x = 77,033.27

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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.