Home / 85,403.17-117,847.42-49,586.18

Finding the Fourth Proportional to 85,403.17, 117,847.42 and 49,586.18

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Solution

The fourth proportional to 85,403.17, 117,847.42 and 49,586.18 is: 68,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,403.17 : 117,847.42 = 49,586.18 : x
  2. Step 2: Convert to fraction form
    85,403.17/117,847.42 = 49,586.18/x
  3. Step 3: Cross multiply
    85,403.17x = 117,847.42 × 49,586.18
  4. Step 4: Simplify right side
    85,403.17x = 5,843,603,132.72
  5. Step 5: Solve for x
    x = 5,843,603,132.72/85,403.17
  6. Step 6: Final answer
    x = 68,423.73

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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.