Home / 67,740.90-101,514.15-49,831.80

Finding the Fourth Proportional to 67,740.90, 101,514.15 and 49,831.80

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Solution

The fourth proportional to 67,740.90, 101,514.15 and 49,831.80 is: 74,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,740.90 : 101,514.15 = 49,831.80 : x
  2. Step 2: Convert to fraction form
    67,740.90/101,514.15 = 49,831.80/x
  3. Step 3: Cross multiply
    67,740.90x = 101,514.15 × 49,831.80
  4. Step 4: Simplify right side
    67,740.90x = 5,058,632,819.97
  5. Step 5: Solve for x
    x = 5,058,632,819.97/67,740.90
  6. Step 6: Final answer
    x = 74,676.20

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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.