Home / 52,987.88-73,123.21-29,114.50

Finding the Fourth Proportional to 52,987.88, 73,123.21 and 29,114.50

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Solution

The fourth proportional to 52,987.88, 73,123.21 and 29,114.50 is: 40,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.88 : 73,123.21 = 29,114.50 : x
  2. Step 2: Convert to fraction form
    52,987.88/73,123.21 = 29,114.50/x
  3. Step 3: Cross multiply
    52,987.88x = 73,123.21 × 29,114.50
  4. Step 4: Simplify right side
    52,987.88x = 2,128,945,697.55
  5. Step 5: Solve for x
    x = 2,128,945,697.55/52,987.88
  6. Step 6: Final answer
    x = 40,177.97

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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.