Home / 87,611.41-120,903.80-47,325.18

Finding the Fourth Proportional to 87,611.41, 120,903.80 and 47,325.18

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Solution

The fourth proportional to 87,611.41, 120,903.80 and 47,325.18 is: 65,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,611.41 : 120,903.80 = 47,325.18 : x
  2. Step 2: Convert to fraction form
    87,611.41/120,903.80 = 47,325.18/x
  3. Step 3: Cross multiply
    87,611.41x = 120,903.80 × 47,325.18
  4. Step 4: Simplify right side
    87,611.41x = 5,721,794,097.68
  5. Step 5: Solve for x
    x = 5,721,794,097.68/87,611.41
  6. Step 6: Final answer
    x = 65,308.78

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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.