Home / 60,811.28-91,211.35-43,117.84

Finding the Fourth Proportional to 60,811.28, 91,211.35 and 43,117.84

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Solution

The fourth proportional to 60,811.28, 91,211.35 and 43,117.84 is: 64,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,811.28 : 91,211.35 = 43,117.84 : x
  2. Step 2: Convert to fraction form
    60,811.28/91,211.35 = 43,117.84/x
  3. Step 3: Cross multiply
    60,811.28x = 91,211.35 × 43,117.84
  4. Step 4: Simplify right side
    60,811.28x = 3,932,836,395.48
  5. Step 5: Solve for x
    x = 3,932,836,395.48/60,811.28
  6. Step 6: Final answer
    x = 64,672.81

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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.