Home / 79,772.51-110,084.71-43,961.75

Finding the Fourth Proportional to 79,772.51, 110,084.71 and 43,961.75

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Solution

The fourth proportional to 79,772.51, 110,084.71 and 43,961.75 is: 60,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.51 : 110,084.71 = 43,961.75 : x
  2. Step 2: Convert to fraction form
    79,772.51/110,084.71 = 43,961.75/x
  3. Step 3: Cross multiply
    79,772.51x = 110,084.71 × 43,961.75
  4. Step 4: Simplify right side
    79,772.51x = 4,839,516,499.84
  5. Step 5: Solve for x
    x = 4,839,516,499.84/79,772.51
  6. Step 6: Final answer
    x = 60,666.47

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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.