Home / 53,414.12-80,123.04-18,353.52

Finding the Fourth Proportional to 53,414.12, 80,123.04 and 18,353.52

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Solution

The fourth proportional to 53,414.12, 80,123.04 and 18,353.52 is: 27,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.12 : 80,123.04 = 18,353.52 : x
  2. Step 2: Convert to fraction form
    53,414.12/80,123.04 = 18,353.52/x
  3. Step 3: Cross multiply
    53,414.12x = 80,123.04 × 18,353.52
  4. Step 4: Simplify right side
    53,414.12x = 1,470,539,817.10
  5. Step 5: Solve for x
    x = 1,470,539,817.10/53,414.12
  6. Step 6: Final answer
    x = 27,530.92

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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.