Home / 85,239.03-117,581.73-53,352.57

Finding the Fourth Proportional to 85,239.03, 117,581.73 and 53,352.57

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Solution

The fourth proportional to 85,239.03, 117,581.73 and 53,352.57 is: 73,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,239.03 : 117,581.73 = 53,352.57 : x
  2. Step 2: Convert to fraction form
    85,239.03/117,581.73 = 53,352.57/x
  3. Step 3: Cross multiply
    85,239.03x = 117,581.73 × 53,352.57
  4. Step 4: Simplify right side
    85,239.03x = 6,273,287,721.41
  5. Step 5: Solve for x
    x = 6,273,287,721.41/85,239.03
  6. Step 6: Final answer
    x = 73,596.42

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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.