Home / 52,989.78-73,126.72-29,118.66

Finding the Fourth Proportional to 52,989.78, 73,126.72 and 29,118.66

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Solution

The fourth proportional to 52,989.78, 73,126.72 and 29,118.66 is: 40,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,989.78 : 73,126.72 = 29,118.66 : x
  2. Step 2: Convert to fraction form
    52,989.78/73,126.72 = 29,118.66/x
  3. Step 3: Cross multiply
    52,989.78x = 73,126.72 × 29,118.66
  4. Step 4: Simplify right side
    52,989.78x = 2,129,352,096.60
  5. Step 5: Solve for x
    x = 2,129,352,096.60/52,989.78
  6. Step 6: Final answer
    x = 40,184.20

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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.