Home / 43,246.17-64,869.21-12,081.42

Finding the Fourth Proportional to 43,246.17, 64,869.21 and 12,081.42

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Solution

The fourth proportional to 43,246.17, 64,869.21 and 12,081.42 is: 18,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.17 : 64,869.21 = 12,081.42 : x
  2. Step 2: Convert to fraction form
    43,246.17/64,869.21 = 12,081.42/x
  3. Step 3: Cross multiply
    43,246.17x = 64,869.21 × 12,081.42
  4. Step 4: Simplify right side
    43,246.17x = 783,712,171.08
  5. Step 5: Solve for x
    x = 783,712,171.08/43,246.17
  6. Step 6: Final answer
    x = 18,122.12

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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.