Home / 87,348.86-131,030.13-31,201.10

Finding the Fourth Proportional to 87,348.86, 131,030.13 and 31,201.10

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Solution

The fourth proportional to 87,348.86, 131,030.13 and 31,201.10 is: 46,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.86 : 131,030.13 = 31,201.10 : x
  2. Step 2: Convert to fraction form
    87,348.86/131,030.13 = 31,201.10/x
  3. Step 3: Cross multiply
    87,348.86x = 131,030.13 × 31,201.10
  4. Step 4: Simplify right side
    87,348.86x = 4,088,284,189.14
  5. Step 5: Solve for x
    x = 4,088,284,189.14/87,348.86
  6. Step 6: Final answer
    x = 46,804.09

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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.