Home / 91,084.52-136,632.54-28,757.48

Finding the Fourth Proportional to 91,084.52, 136,632.54 and 28,757.48

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Solution

The fourth proportional to 91,084.52, 136,632.54 and 28,757.48 is: 43,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,084.52 : 136,632.54 = 28,757.48 : x
  2. Step 2: Convert to fraction form
    91,084.52/136,632.54 = 28,757.48/x
  3. Step 3: Cross multiply
    91,084.52x = 136,632.54 × 28,757.48
  4. Step 4: Simplify right side
    91,084.52x = 3,929,207,536.40
  5. Step 5: Solve for x
    x = 3,929,207,536.40/91,084.52
  6. Step 6: Final answer
    x = 43,138.04

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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.