Home / 51,811.48-71,446.35-48,797.20

Finding the Fourth Proportional to 51,811.48, 71,446.35 and 48,797.20

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Solution

The fourth proportional to 51,811.48, 71,446.35 and 48,797.20 is: 67,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,811.48 : 71,446.35 = 48,797.20 : x
  2. Step 2: Convert to fraction form
    51,811.48/71,446.35 = 48,797.20/x
  3. Step 3: Cross multiply
    51,811.48x = 71,446.35 × 48,797.20
  4. Step 4: Simplify right side
    51,811.48x = 3,486,381,830.22
  5. Step 5: Solve for x
    x = 3,486,381,830.22/51,811.48
  6. Step 6: Final answer
    x = 67,289.76

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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.