Home / 87,157.22-130,791.12-37,237.70

Finding the Fourth Proportional to 87,157.22, 130,791.12 and 37,237.70

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Solution

The fourth proportional to 87,157.22, 130,791.12 and 37,237.70 is: 55,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,157.22 : 130,791.12 = 37,237.70 : x
  2. Step 2: Convert to fraction form
    87,157.22/130,791.12 = 37,237.70/x
  3. Step 3: Cross multiply
    87,157.22x = 130,791.12 × 37,237.70
  4. Step 4: Simplify right side
    87,157.22x = 4,870,359,835.27
  5. Step 5: Solve for x
    x = 4,870,359,835.27/87,157.22
  6. Step 6: Final answer
    x = 55,880.17

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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.