Home / 42,194.78-63,222.03-29,688.56

Finding the Fourth Proportional to 42,194.78, 63,222.03 and 29,688.56

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Solution

The fourth proportional to 42,194.78, 63,222.03 and 29,688.56 is: 44,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,194.78 : 63,222.03 = 29,688.56 : x
  2. Step 2: Convert to fraction form
    42,194.78/63,222.03 = 29,688.56/x
  3. Step 3: Cross multiply
    42,194.78x = 63,222.03 × 29,688.56
  4. Step 4: Simplify right side
    42,194.78x = 1,876,970,714.87
  5. Step 5: Solve for x
    x = 1,876,970,714.87/42,194.78
  6. Step 6: Final answer
    x = 44,483.49

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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.