Home / 85,635.36-118,173.17-47,391.33

Finding the Fourth Proportional to 85,635.36, 118,173.17 and 47,391.33

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Solution

The fourth proportional to 85,635.36, 118,173.17 and 47,391.33 is: 65,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,635.36 : 118,173.17 = 47,391.33 : x
  2. Step 2: Convert to fraction form
    85,635.36/118,173.17 = 47,391.33/x
  3. Step 3: Cross multiply
    85,635.36x = 118,173.17 × 47,391.33
  4. Step 4: Simplify right side
    85,635.36x = 5,600,383,459.66
  5. Step 5: Solve for x
    x = 5,600,383,459.66/85,635.36
  6. Step 6: Final answer
    x = 65,398.02

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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.