Home / 87,741.86-131,680.47-65,303.24

Finding the Fourth Proportional to 87,741.86, 131,680.47 and 65,303.24

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Solution

The fourth proportional to 87,741.86, 131,680.47 and 65,303.24 is: 98,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,741.86 : 131,680.47 = 65,303.24 : x
  2. Step 2: Convert to fraction form
    87,741.86/131,680.47 = 65,303.24/x
  3. Step 3: Cross multiply
    87,741.86x = 131,680.47 × 65,303.24
  4. Step 4: Simplify right side
    87,741.86x = 8,599,161,335.72
  5. Step 5: Solve for x
    x = 8,599,161,335.72/87,741.86
  6. Step 6: Final answer
    x = 98,005.23

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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.