Home / 45,309.23-67,967.42-12,029.30

Finding the Fourth Proportional to 45,309.23, 67,967.42 and 12,029.30

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Solution

The fourth proportional to 45,309.23, 67,967.42 and 12,029.30 is: 18,044.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.23 : 67,967.42 = 12,029.30 : x
  2. Step 2: Convert to fraction form
    45,309.23/67,967.42 = 12,029.30/x
  3. Step 3: Cross multiply
    45,309.23x = 67,967.42 × 12,029.30
  4. Step 4: Simplify right side
    45,309.23x = 817,600,085.42
  5. Step 5: Solve for x
    x = 817,600,085.42/45,309.23
  6. Step 6: Final answer
    x = 18,044.89

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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.