Home / 43,306.76-64,952.58-12,144.44

Finding the Fourth Proportional to 43,306.76, 64,952.58 and 12,144.44

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Solution

The fourth proportional to 43,306.76, 64,952.58 and 12,144.44 is: 18,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,306.76 : 64,952.58 = 12,144.44 : x
  2. Step 2: Convert to fraction form
    43,306.76/64,952.58 = 12,144.44/x
  3. Step 3: Cross multiply
    43,306.76x = 64,952.58 × 12,144.44
  4. Step 4: Simplify right side
    43,306.76x = 788,812,710.66
  5. Step 5: Solve for x
    x = 788,812,710.66/43,306.76
  6. Step 6: Final answer
    x = 18,214.54

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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.