Home / 51,217.20-76,825.80-48,301.20

Finding the Fourth Proportional to 51,217.20, 76,825.80 and 48,301.20

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Solution

The fourth proportional to 51,217.20, 76,825.80 and 48,301.20 is: 72,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.20 : 76,825.80 = 48,301.20 : x
  2. Step 2: Convert to fraction form
    51,217.20/76,825.80 = 48,301.20/x
  3. Step 3: Cross multiply
    51,217.20x = 76,825.80 × 48,301.20
  4. Step 4: Simplify right side
    51,217.20x = 3,710,778,330.96
  5. Step 5: Solve for x
    x = 3,710,778,330.96/51,217.20
  6. Step 6: Final answer
    x = 72,451.80

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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.