Home / 85,838.20-118,456.13-47,597.73

Finding the Fourth Proportional to 85,838.20, 118,456.13 and 47,597.73

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Solution

The fourth proportional to 85,838.20, 118,456.13 and 47,597.73 is: 65,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,838.20 : 118,456.13 = 47,597.73 : x
  2. Step 2: Convert to fraction form
    85,838.20/118,456.13 = 47,597.73/x
  3. Step 3: Cross multiply
    85,838.20x = 118,456.13 × 47,597.73
  4. Step 4: Simplify right side
    85,838.20x = 5,638,242,892.58
  5. Step 5: Solve for x
    x = 5,638,242,892.58/85,838.20
  6. Step 6: Final answer
    x = 65,684.54

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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.