Home / 87,941.50-121,381.41-50,237.62

Finding the Fourth Proportional to 87,941.50, 121,381.41 and 50,237.62

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Solution

The fourth proportional to 87,941.50, 121,381.41 and 50,237.62 is: 69,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.50 : 121,381.41 = 50,237.62 : x
  2. Step 2: Convert to fraction form
    87,941.50/121,381.41 = 50,237.62/x
  3. Step 3: Cross multiply
    87,941.50x = 121,381.41 × 50,237.62
  4. Step 4: Simplify right side
    87,941.50x = 6,097,913,150.64
  5. Step 5: Solve for x
    x = 6,097,913,150.64/87,941.50
  6. Step 6: Final answer
    x = 69,340.56

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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.