Home / 91,006.20-125,586.66-50,719.80

Finding the Fourth Proportional to 91,006.20, 125,586.66 and 50,719.80

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Solution

The fourth proportional to 91,006.20, 125,586.66 and 50,719.80 is: 69,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.20 : 125,586.66 = 50,719.80 : x
  2. Step 2: Convert to fraction form
    91,006.20/125,586.66 = 50,719.80/x
  3. Step 3: Cross multiply
    91,006.20x = 125,586.66 × 50,719.80
  4. Step 4: Simplify right side
    91,006.20x = 6,369,730,277.87
  5. Step 5: Solve for x
    x = 6,369,730,277.87/91,006.20
  6. Step 6: Final answer
    x = 69,992.27

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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.