Home / 87,655.64-131,600.09-46,131.80

Finding the Fourth Proportional to 87,655.64, 131,600.09 and 46,131.80

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Solution

The fourth proportional to 87,655.64, 131,600.09 and 46,131.80 is: 69,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,655.64 : 131,600.09 = 46,131.80 : x
  2. Step 2: Convert to fraction form
    87,655.64/131,600.09 = 46,131.80/x
  3. Step 3: Cross multiply
    87,655.64x = 131,600.09 × 46,131.80
  4. Step 4: Simplify right side
    87,655.64x = 6,070,948,489.19
  5. Step 5: Solve for x
    x = 6,070,948,489.19/87,655.64
  6. Step 6: Final answer
    x = 69,259.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.