Home / 52,771.20-79,117.26-19,485.06

Finding the Fourth Proportional to 52,771.20, 79,117.26 and 19,485.06

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Solution

The fourth proportional to 52,771.20, 79,117.26 and 19,485.06 is: 29,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,771.20 : 79,117.26 = 19,485.06 : x
  2. Step 2: Convert to fraction form
    52,771.20/79,117.26 = 19,485.06/x
  3. Step 3: Cross multiply
    52,771.20x = 79,117.26 × 19,485.06
  4. Step 4: Simplify right side
    52,771.20x = 1,541,604,188.38
  5. Step 5: Solve for x
    x = 1,541,604,188.38/52,771.20
  6. Step 6: Final answer
    x = 29,212.99

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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.