Home / 87,022.53-120,085.02-51,204.93

Finding the Fourth Proportional to 87,022.53, 120,085.02 and 51,204.93

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Solution

The fourth proportional to 87,022.53, 120,085.02 and 51,204.93 is: 70,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.53 : 120,085.02 = 51,204.93 : x
  2. Step 2: Convert to fraction form
    87,022.53/120,085.02 = 51,204.93/x
  3. Step 3: Cross multiply
    87,022.53x = 120,085.02 × 51,204.93
  4. Step 4: Simplify right side
    87,022.53x = 6,148,945,043.15
  5. Step 5: Solve for x
    x = 6,148,945,043.15/87,022.53
  6. Step 6: Final answer
    x = 70,659.23

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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.