Home / 85,219.23-117,606.56-47,493.75

Finding the Fourth Proportional to 85,219.23, 117,606.56 and 47,493.75

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Solution

The fourth proportional to 85,219.23, 117,606.56 and 47,493.75 is: 65,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,219.23 : 117,606.56 = 47,493.75 : x
  2. Step 2: Convert to fraction form
    85,219.23/117,606.56 = 47,493.75/x
  3. Step 3: Cross multiply
    85,219.23x = 117,606.56 × 47,493.75
  4. Step 4: Simplify right side
    85,219.23x = 5,585,576,321.53
  5. Step 5: Solve for x
    x = 5,585,576,321.53/85,219.23
  6. Step 6: Final answer
    x = 65,543.61

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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.