Home / 85,237.67-117,579.83-53,351.21

Finding the Fourth Proportional to 85,237.67, 117,579.83 and 53,351.21

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Solution

The fourth proportional to 85,237.67, 117,579.83 and 53,351.21 is: 73,594.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,237.67 : 117,579.83 = 53,351.21 : x
  2. Step 2: Convert to fraction form
    85,237.67/117,579.83 = 53,351.21/x
  3. Step 3: Cross multiply
    85,237.67x = 117,579.83 × 53,351.21
  4. Step 4: Simplify right side
    85,237.67x = 6,273,026,202.09
  5. Step 5: Solve for x
    x = 6,273,026,202.09/85,237.67
  6. Step 6: Final answer
    x = 73,594.53

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1.5x scale

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.