Home / 61,192.54-91,771.16-16,820.74

Finding the Fourth Proportional to 61,192.54, 91,771.16 and 16,820.74

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Solution

The fourth proportional to 61,192.54, 91,771.16 and 16,820.74 is: 25,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.54 : 91,771.16 = 16,820.74 : x
  2. Step 2: Convert to fraction form
    61,192.54/91,771.16 = 16,820.74/x
  3. Step 3: Cross multiply
    61,192.54x = 91,771.16 × 16,820.74
  4. Step 4: Simplify right side
    61,192.54x = 1,543,658,821.86
  5. Step 5: Solve for x
    x = 1,543,658,821.86/61,192.54
  6. Step 6: Final answer
    x = 25,226.26

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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.