Home / 43,950.43-65,929.53-12,360.76

Finding the Fourth Proportional to 43,950.43, 65,929.53 and 12,360.76

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Solution

The fourth proportional to 43,950.43, 65,929.53 and 12,360.76 is: 18,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,950.43 : 65,929.53 = 12,360.76 : x
  2. Step 2: Convert to fraction form
    43,950.43/65,929.53 = 12,360.76/x
  3. Step 3: Cross multiply
    43,950.43x = 65,929.53 × 12,360.76
  4. Step 4: Simplify right side
    43,950.43x = 814,939,097.24
  5. Step 5: Solve for x
    x = 814,939,097.24/43,950.43
  6. Step 6: Final answer
    x = 18,542.23

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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.