Home / 85,439.56-117,906.22-47,199.13

Finding the Fourth Proportional to 85,439.56, 117,906.22 and 47,199.13

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Solution

The fourth proportional to 85,439.56, 117,906.22 and 47,199.13 is: 65,134.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,439.56 : 117,906.22 = 47,199.13 : x
  2. Step 2: Convert to fraction form
    85,439.56/117,906.22 = 47,199.13/x
  3. Step 3: Cross multiply
    85,439.56x = 117,906.22 × 47,199.13
  4. Step 4: Simplify right side
    85,439.56x = 5,565,070,592.83
  5. Step 5: Solve for x
    x = 5,565,070,592.83/85,439.56
  6. Step 6: Final answer
    x = 65,134.59

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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.