Home / 52,217.45-78,330.31-14,777.75

Finding the Fourth Proportional to 52,217.45, 78,330.31 and 14,777.75

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Solution

The fourth proportional to 52,217.45, 78,330.31 and 14,777.75 is: 22,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,217.45 : 78,330.31 = 14,777.75 : x
  2. Step 2: Convert to fraction form
    52,217.45/78,330.31 = 14,777.75/x
  3. Step 3: Cross multiply
    52,217.45x = 78,330.31 × 14,777.75
  4. Step 4: Simplify right side
    52,217.45x = 1,157,545,934.43
  5. Step 5: Solve for x
    x = 1,157,545,934.43/52,217.45
  6. Step 6: Final answer
    x = 22,167.80

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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.