Home / 87,967.22-121,411.03-50,241.47

Finding the Fourth Proportional to 87,967.22, 121,411.03 and 50,241.47

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Solution

The fourth proportional to 87,967.22, 121,411.03 and 50,241.47 is: 69,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.22 : 121,411.03 = 50,241.47 : x
  2. Step 2: Convert to fraction form
    87,967.22/121,411.03 = 50,241.47/x
  3. Step 3: Cross multiply
    87,967.22x = 121,411.03 × 50,241.47
  4. Step 4: Simplify right side
    87,967.22x = 6,099,868,799.34
  5. Step 5: Solve for x
    x = 6,099,868,799.34/87,967.22
  6. Step 6: Final answer
    x = 69,342.52

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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.