Home / 76,971.28-115,367.28-32,583.28

Finding the Fourth Proportional to 76,971.28, 115,367.28 and 32,583.28

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Solution

The fourth proportional to 76,971.28, 115,367.28 and 32,583.28 is: 48,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,971.28 : 115,367.28 = 32,583.28 : x
  2. Step 2: Convert to fraction form
    76,971.28/115,367.28 = 32,583.28/x
  3. Step 3: Cross multiply
    76,971.28x = 115,367.28 × 32,583.28
  4. Step 4: Simplify right side
    76,971.28x = 3,759,044,387.08
  5. Step 5: Solve for x
    x = 3,759,044,387.08/76,971.28
  6. Step 6: Final answer
    x = 48,836.97

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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.