Home / 85,625.28-118,163.22-47,899.56

Finding the Fourth Proportional to 85,625.28, 118,163.22 and 47,899.56

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Solution

The fourth proportional to 85,625.28, 118,163.22 and 47,899.56 is: 66,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,625.28 : 118,163.22 = 47,899.56 : x
  2. Step 2: Convert to fraction form
    85,625.28/118,163.22 = 47,899.56/x
  3. Step 3: Cross multiply
    85,625.28x = 118,163.22 × 47,899.56
  4. Step 4: Simplify right side
    85,625.28x = 5,659,966,246.18
  5. Step 5: Solve for x
    x = 5,659,966,246.18/85,625.28
  6. Step 6: Final answer
    x = 66,101.58

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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.