Home / 53,239.59-79,693.23-39,215.43

Finding the Fourth Proportional to 53,239.59, 79,693.23 and 39,215.43

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Solution

The fourth proportional to 53,239.59, 79,693.23 and 39,215.43 is: 58,700.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.59 : 79,693.23 = 39,215.43 : x
  2. Step 2: Convert to fraction form
    53,239.59/79,693.23 = 39,215.43/x
  3. Step 3: Cross multiply
    53,239.59x = 79,693.23 × 39,215.43
  4. Step 4: Simplify right side
    53,239.59x = 3,125,204,282.54
  5. Step 5: Solve for x
    x = 3,125,204,282.54/53,239.59
  6. Step 6: Final answer
    x = 58,700.76

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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.