Home / 52,777.11-72,814.34-30,099.80

Finding the Fourth Proportional to 52,777.11, 72,814.34 and 30,099.80

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Solution

The fourth proportional to 52,777.11, 72,814.34 and 30,099.80 is: 41,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.11 : 72,814.34 = 30,099.80 : x
  2. Step 2: Convert to fraction form
    52,777.11/72,814.34 = 30,099.80/x
  3. Step 3: Cross multiply
    52,777.11x = 72,814.34 × 30,099.80
  4. Step 4: Simplify right side
    52,777.11x = 2,191,697,328.42
  5. Step 5: Solve for x
    x = 2,191,697,328.42/52,777.11
  6. Step 6: Final answer
    x = 41,527.42

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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.