Home / 55,662.22-76,825.46-51,178.87

Finding the Fourth Proportional to 55,662.22, 76,825.46 and 51,178.87

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Solution

The fourth proportional to 55,662.22, 76,825.46 and 51,178.87 is: 70,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,662.22 : 76,825.46 = 51,178.87 : x
  2. Step 2: Convert to fraction form
    55,662.22/76,825.46 = 51,178.87/x
  3. Step 3: Cross multiply
    55,662.22x = 76,825.46 × 51,178.87
  4. Step 4: Simplify right side
    55,662.22x = 3,931,839,974.14
  5. Step 5: Solve for x
    x = 3,931,839,974.14/55,662.22
  6. Step 6: Final answer
    x = 70,637.50

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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.