Home / 51,122.55-76,728.13-51,004.34

Finding the Fourth Proportional to 51,122.55, 76,728.13 and 51,004.34

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Solution

The fourth proportional to 51,122.55, 76,728.13 and 51,004.34 is: 76,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.55 : 76,728.13 = 51,004.34 : x
  2. Step 2: Convert to fraction form
    51,122.55/76,728.13 = 51,004.34/x
  3. Step 3: Cross multiply
    51,122.55x = 76,728.13 × 51,004.34
  4. Step 4: Simplify right side
    51,122.55x = 3,913,467,406.66
  5. Step 5: Solve for x
    x = 3,913,467,406.66/51,122.55
  6. Step 6: Final answer
    x = 76,550.70

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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.