Home / 89,001.88-122,849.94-51,301.24

Finding the Fourth Proportional to 89,001.88, 122,849.94 and 51,301.24

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Solution

The fourth proportional to 89,001.88, 122,849.94 and 51,301.24 is: 70,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,001.88 : 122,849.94 = 51,301.24 : x
  2. Step 2: Convert to fraction form
    89,001.88/122,849.94 = 51,301.24/x
  3. Step 3: Cross multiply
    89,001.88x = 122,849.94 × 51,301.24
  4. Step 4: Simplify right side
    89,001.88x = 6,302,354,255.93
  5. Step 5: Solve for x
    x = 6,302,354,255.93/89,001.88
  6. Step 6: Final answer
    x = 70,811.47

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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.