Home / 85,850.03-118,469.75-47,611.15

Finding the Fourth Proportional to 85,850.03, 118,469.75 and 47,611.15

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Solution

The fourth proportional to 85,850.03, 118,469.75 and 47,611.15 is: 65,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,850.03 : 118,469.75 = 47,611.15 : x
  2. Step 2: Convert to fraction form
    85,850.03/118,469.75 = 47,611.15/x
  3. Step 3: Cross multiply
    85,850.03x = 118,469.75 × 47,611.15
  4. Step 4: Simplify right side
    85,850.03x = 5,640,480,503.48
  5. Step 5: Solve for x
    x = 5,640,480,503.48/85,850.03
  6. Step 6: Final answer
    x = 65,701.55

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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.