Home / 75,171.78-112,756.86-22,579.02

Finding the Fourth Proportional to 75,171.78, 112,756.86 and 22,579.02

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Solution

The fourth proportional to 75,171.78, 112,756.86 and 22,579.02 is: 33,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.78 : 112,756.86 = 22,579.02 : x
  2. Step 2: Convert to fraction form
    75,171.78/112,756.86 = 22,579.02/x
  3. Step 3: Cross multiply
    75,171.78x = 112,756.86 × 22,579.02
  4. Step 4: Simplify right side
    75,171.78x = 2,545,939,397.08
  5. Step 5: Solve for x
    x = 2,545,939,397.08/75,171.78
  6. Step 6: Final answer
    x = 33,868.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.