Home / 87,457.83-131,076.01-55,855.68

Finding the Fourth Proportional to 87,457.83, 131,076.01 and 55,855.68

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Solution

The fourth proportional to 87,457.83, 131,076.01 and 55,855.68 is: 83,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457.83 : 131,076.01 = 55,855.68 : x
  2. Step 2: Convert to fraction form
    87,457.83/131,076.01 = 55,855.68/x
  3. Step 3: Cross multiply
    87,457.83x = 131,076.01 × 55,855.68
  4. Step 4: Simplify right side
    87,457.83x = 7,321,339,670.24
  5. Step 5: Solve for x
    x = 7,321,339,670.24/87,457.83
  6. Step 6: Final answer
    x = 83,712.80

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1.5x scale

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.