Home / 87,274.74-131,022.94-74,210.15

Finding the Fourth Proportional to 87,274.74, 131,022.94 and 74,210.15

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Solution

The fourth proportional to 87,274.74, 131,022.94 and 74,210.15 is: 111,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,274.74 : 131,022.94 = 74,210.15 : x
  2. Step 2: Convert to fraction form
    87,274.74/131,022.94 = 74,210.15/x
  3. Step 3: Cross multiply
    87,274.74x = 131,022.94 × 74,210.15
  4. Step 4: Simplify right side
    87,274.74x = 9,723,232,152.23
  5. Step 5: Solve for x
    x = 9,723,232,152.23/87,274.74
  6. Step 6: Final answer
    x = 111,409.46

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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.