Home / 68,831.46-94,987.50-40,170.84

Finding the Fourth Proportional to 68,831.46, 94,987.50 and 40,170.84

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Solution

The fourth proportional to 68,831.46, 94,987.50 and 40,170.84 is: 55,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831.46 : 94,987.50 = 40,170.84 : x
  2. Step 2: Convert to fraction form
    68,831.46/94,987.50 = 40,170.84/x
  3. Step 3: Cross multiply
    68,831.46x = 94,987.50 × 40,170.84
  4. Step 4: Simplify right side
    68,831.46x = 3,815,727,664.50
  5. Step 5: Solve for x
    x = 3,815,727,664.50/68,831.46
  6. Step 6: Final answer
    x = 55,435.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.