Home / 87,274.26-120,409.74-50,967.36

Finding the Fourth Proportional to 87,274.26, 120,409.74 and 50,967.36

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Solution

The fourth proportional to 87,274.26, 120,409.74 and 50,967.36 is: 70,318.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.26 : 120,409.74 = 50,967.36 : x
  2. Step 2: Convert to fraction form
    87,274.26/120,409.74 = 50,967.36/x
  3. Step 3: Cross multiply
    87,274.26x = 120,409.74 × 50,967.36
  4. Step 4: Simplify right side
    87,274.26x = 6,136,966,566.09
  5. Step 5: Solve for x
    x = 6,136,966,566.09/87,274.26
  6. Step 6: Final answer
    x = 70,318.17

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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.