Home / 87,321.93-130,889.64-49,801.22

Finding the Fourth Proportional to 87,321.93, 130,889.64 and 49,801.22

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Solution

The fourth proportional to 87,321.93, 130,889.64 and 49,801.22 is: 74,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.93 : 130,889.64 = 49,801.22 : x
  2. Step 2: Convert to fraction form
    87,321.93/130,889.64 = 49,801.22/x
  3. Step 3: Cross multiply
    87,321.93x = 130,889.64 × 49,801.22
  4. Step 4: Simplify right side
    87,321.93x = 6,518,463,102.91
  5. Step 5: Solve for x
    x = 6,518,463,102.91/87,321.93
  6. Step 6: Final answer
    x = 74,648.64

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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.