Home / 87,570.37-131,339.68-30,652.63

Finding the Fourth Proportional to 87,570.37, 131,339.68 and 30,652.63

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Solution

The fourth proportional to 87,570.37, 131,339.68 and 30,652.63 is: 45,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,570.37 : 131,339.68 = 30,652.63 : x
  2. Step 2: Convert to fraction form
    87,570.37/131,339.68 = 30,652.63/x
  3. Step 3: Cross multiply
    87,570.37x = 131,339.68 × 30,652.63
  4. Step 4: Simplify right side
    87,570.37x = 4,025,906,210.38
  5. Step 5: Solve for x
    x = 4,025,906,210.38/87,570.37
  6. Step 6: Final answer
    x = 45,973.39

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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.