Home / 87,627.06-131,345.82-34,978.68

Finding the Fourth Proportional to 87,627.06, 131,345.82 and 34,978.68

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Solution

The fourth proportional to 87,627.06, 131,345.82 and 34,978.68 is: 52,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.06 : 131,345.82 = 34,978.68 : x
  2. Step 2: Convert to fraction form
    87,627.06/131,345.82 = 34,978.68/x
  3. Step 3: Cross multiply
    87,627.06x = 131,345.82 × 34,978.68
  4. Step 4: Simplify right side
    87,627.06x = 4,594,303,407.12
  5. Step 5: Solve for x
    x = 4,594,303,407.12/87,627.06
  6. Step 6: Final answer
    x = 52,430.19

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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.