Home / 85,111.43-117,504.07-75,652.65

Finding the Fourth Proportional to 85,111.43, 117,504.07 and 75,652.65

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Solution

The fourth proportional to 85,111.43, 117,504.07 and 75,652.65 is: 104,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,111.43 : 117,504.07 = 75,652.65 : x
  2. Step 2: Convert to fraction form
    85,111.43/117,504.07 = 75,652.65/x
  3. Step 3: Cross multiply
    85,111.43x = 117,504.07 × 75,652.65
  4. Step 4: Simplify right side
    85,111.43x = 8,889,494,092.15
  5. Step 5: Solve for x
    x = 8,889,494,092.15/85,111.43
  6. Step 6: Final answer
    x = 104,445.37

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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.