Home / 87,852.76-131,784.98-30,919.80

Finding the Fourth Proportional to 87,852.76, 131,784.98 and 30,919.80

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Solution

The fourth proportional to 87,852.76, 131,784.98 and 30,919.80 is: 46,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.76 : 131,784.98 = 30,919.80 : x
  2. Step 2: Convert to fraction form
    87,852.76/131,784.98 = 30,919.80/x
  3. Step 3: Cross multiply
    87,852.76x = 131,784.98 × 30,919.80
  4. Step 4: Simplify right side
    87,852.76x = 4,074,765,224.60
  5. Step 5: Solve for x
    x = 4,074,765,224.60/87,852.76
  6. Step 6: Final answer
    x = 46,381.76

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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.