Home / 87,234.81-130,901.62-37,310.46

Finding the Fourth Proportional to 87,234.81, 130,901.62 and 37,310.46

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Solution

The fourth proportional to 87,234.81, 130,901.62 and 37,310.46 is: 55,986.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,234.81 : 130,901.62 = 37,310.46 : x
  2. Step 2: Convert to fraction form
    87,234.81/130,901.62 = 37,310.46/x
  3. Step 3: Cross multiply
    87,234.81x = 130,901.62 × 37,310.46
  4. Step 4: Simplify right side
    87,234.81x = 4,883,999,656.95
  5. Step 5: Solve for x
    x = 4,883,999,656.95/87,234.81
  6. Step 6: Final answer
    x = 55,986.82

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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.