Home / 87,537.71-120,800.45-49,297.10

Finding the Fourth Proportional to 87,537.71, 120,800.45 and 49,297.10

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Solution

The fourth proportional to 87,537.71, 120,800.45 and 49,297.10 is: 68,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.71 : 120,800.45 = 49,297.10 : x
  2. Step 2: Convert to fraction form
    87,537.71/120,800.45 = 49,297.10/x
  3. Step 3: Cross multiply
    87,537.71x = 120,800.45 × 49,297.10
  4. Step 4: Simplify right side
    87,537.71x = 5,955,111,617.21
  5. Step 5: Solve for x
    x = 5,955,111,617.21/87,537.71
  6. Step 6: Final answer
    x = 68,029.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.