Home / 85,738.85-118,280.22-55,534.25

Finding the Fourth Proportional to 85,738.85, 118,280.22 and 55,534.25

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Solution

The fourth proportional to 85,738.85, 118,280.22 and 55,534.25 is: 76,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.85 : 118,280.22 = 55,534.25 : x
  2. Step 2: Convert to fraction form
    85,738.85/118,280.22 = 55,534.25/x
  3. Step 3: Cross multiply
    85,738.85x = 118,280.22 × 55,534.25
  4. Step 4: Simplify right side
    85,738.85x = 6,568,603,603.24
  5. Step 5: Solve for x
    x = 6,568,603,603.24/85,738.85
  6. Step 6: Final answer
    x = 76,611.76

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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.