Home / 53,122.53-79,665.22-15,672.66

Finding the Fourth Proportional to 53,122.53, 79,665.22 and 15,672.66

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Solution

The fourth proportional to 53,122.53, 79,665.22 and 15,672.66 is: 23,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,122.53 : 79,665.22 = 15,672.66 : x
  2. Step 2: Convert to fraction form
    53,122.53/79,665.22 = 15,672.66/x
  3. Step 3: Cross multiply
    53,122.53x = 79,665.22 × 15,672.66
  4. Step 4: Simplify right side
    53,122.53x = 1,248,565,906.89
  5. Step 5: Solve for x
    x = 1,248,565,906.89/53,122.53
  6. Step 6: Final answer
    x = 23,503.51

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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.