Home / 76,527.20-105,660.09-47,859.27

Finding the Fourth Proportional to 76,527.20, 105,660.09 and 47,859.27

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Solution

The fourth proportional to 76,527.20, 105,660.09 and 47,859.27 is: 66,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,527.20 : 105,660.09 = 47,859.27 : x
  2. Step 2: Convert to fraction form
    76,527.20/105,660.09 = 47,859.27/x
  3. Step 3: Cross multiply
    76,527.20x = 105,660.09 × 47,859.27
  4. Step 4: Simplify right side
    76,527.20x = 5,056,814,775.53
  5. Step 5: Solve for x
    x = 5,056,814,775.53/76,527.20
  6. Step 6: Final answer
    x = 66,078.66

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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.