Home / 53,294.22-79,865.06-39,143.25

Finding the Fourth Proportional to 53,294.22, 79,865.06 and 39,143.25

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Solution

The fourth proportional to 53,294.22, 79,865.06 and 39,143.25 is: 58,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,294.22 : 79,865.06 = 39,143.25 : x
  2. Step 2: Convert to fraction form
    53,294.22/79,865.06 = 39,143.25/x
  3. Step 3: Cross multiply
    53,294.22x = 79,865.06 × 39,143.25
  4. Step 4: Simplify right side
    53,294.22x = 3,126,177,814.13
  5. Step 5: Solve for x
    x = 3,126,177,814.13/53,294.22
  6. Step 6: Final answer
    x = 58,658.85

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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.