Home / 87,967.47-121,411.37-50,241.72

Finding the Fourth Proportional to 87,967.47, 121,411.37 and 50,241.72

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Solution

The fourth proportional to 87,967.47, 121,411.37 and 50,241.72 is: 69,342.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,967.47 : 121,411.37 = 50,241.72 : x
  2. Step 2: Convert to fraction form
    87,967.47/121,411.37 = 50,241.72/x
  3. Step 3: Cross multiply
    87,967.47x = 121,411.37 × 50,241.72
  4. Step 4: Simplify right side
    87,967.47x = 6,099,916,056.36
  5. Step 5: Solve for x
    x = 6,099,916,056.36/87,967.47
  6. Step 6: Final answer
    x = 69,342.86

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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.