Home / 63,936.36-88,174.98-40,065.64

Finding the Fourth Proportional to 63,936.36, 88,174.98 and 40,065.64

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Solution

The fourth proportional to 63,936.36, 88,174.98 and 40,065.64 is: 55,254.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,936.36 : 88,174.98 = 40,065.64 : x
  2. Step 2: Convert to fraction form
    63,936.36/88,174.98 = 40,065.64/x
  3. Step 3: Cross multiply
    63,936.36x = 88,174.98 × 40,065.64
  4. Step 4: Simplify right side
    63,936.36x = 3,532,787,005.69
  5. Step 5: Solve for x
    x = 3,532,787,005.69/63,936.36
  6. Step 6: Final answer
    x = 55,254.74

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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.