Home / 75,323.12-112,987.64-22,732.60

Finding the Fourth Proportional to 75,323.12, 112,987.64 and 22,732.60

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Solution

The fourth proportional to 75,323.12, 112,987.64 and 22,732.60 is: 34,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,323.12 : 112,987.64 = 22,732.60 : x
  2. Step 2: Convert to fraction form
    75,323.12/112,987.64 = 22,732.60/x
  3. Step 3: Cross multiply
    75,323.12x = 112,987.64 × 22,732.60
  4. Step 4: Simplify right side
    75,323.12x = 2,568,502,825.06
  5. Step 5: Solve for x
    x = 2,568,502,825.06/75,323.12
  6. Step 6: Final answer
    x = 34,099.79

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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.