Home / 85,087.30-117,418.53-53,273.74

Finding the Fourth Proportional to 85,087.30, 117,418.53 and 53,273.74

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Solution

The fourth proportional to 85,087.30, 117,418.53 and 53,273.74 is: 73,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,087.30 : 117,418.53 = 53,273.74 : x
  2. Step 2: Convert to fraction form
    85,087.30/117,418.53 = 53,273.74/x
  3. Step 3: Cross multiply
    85,087.30x = 117,418.53 × 53,273.74
  4. Step 4: Simplify right side
    85,087.30x = 6,255,324,238.40
  5. Step 5: Solve for x
    x = 6,255,324,238.40/85,087.30
  6. Step 6: Final answer
    x = 73,516.54

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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.