Home / 85,972.01-118,636.05-47,729.33

Finding the Fourth Proportional to 85,972.01, 118,636.05 and 47,729.33

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Solution

The fourth proportional to 85,972.01, 118,636.05 and 47,729.33 is: 65,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,972.01 : 118,636.05 = 47,729.33 : x
  2. Step 2: Convert to fraction form
    85,972.01/118,636.05 = 47,729.33/x
  3. Step 3: Cross multiply
    85,972.01x = 118,636.05 × 47,729.33
  4. Step 4: Simplify right side
    85,972.01x = 5,662,419,180.35
  5. Step 5: Solve for x
    x = 5,662,419,180.35/85,972.01
  6. Step 6: Final answer
    x = 65,863.52

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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.