Home / 85,375.34-117,817.95-49,572.14

Finding the Fourth Proportional to 85,375.34, 117,817.95 and 49,572.14

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Solution

The fourth proportional to 85,375.34, 117,817.95 and 49,572.14 is: 68,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,375.34 : 117,817.95 = 49,572.14 : x
  2. Step 2: Convert to fraction form
    85,375.34/117,817.95 = 49,572.14/x
  3. Step 3: Cross multiply
    85,375.34x = 117,817.95 × 49,572.14
  4. Step 4: Simplify right side
    85,375.34x = 5,840,487,911.91
  5. Step 5: Solve for x
    x = 5,840,487,911.91/85,375.34
  6. Step 6: Final answer
    x = 68,409.54

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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.