Home / 85,632.46-118,170.36-47,393.57

Finding the Fourth Proportional to 85,632.46, 118,170.36 and 47,393.57

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Solution

The fourth proportional to 85,632.46, 118,170.36 and 47,393.57 is: 65,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,632.46 : 118,170.36 = 47,393.57 : x
  2. Step 2: Convert to fraction form
    85,632.46/118,170.36 = 47,393.57/x
  3. Step 3: Cross multiply
    85,632.46x = 118,170.36 × 47,393.57
  4. Step 4: Simplify right side
    85,632.46x = 5,600,515,524.01
  5. Step 5: Solve for x
    x = 5,600,515,524.01/85,632.46
  6. Step 6: Final answer
    x = 65,401.78

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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.