Home / 43,324.87-64,839.45-36,312.81

Finding the Fourth Proportional to 43,324.87, 64,839.45 and 36,312.81

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Solution

The fourth proportional to 43,324.87, 64,839.45 and 36,312.81 is: 54,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,324.87 : 64,839.45 = 36,312.81 : x
  2. Step 2: Convert to fraction form
    43,324.87/64,839.45 = 36,312.81/x
  3. Step 3: Cross multiply
    43,324.87x = 64,839.45 × 36,312.81
  4. Step 4: Simplify right side
    43,324.87x = 2,354,502,628.35
  5. Step 5: Solve for x
    x = 2,354,502,628.35/43,324.87
  6. Step 6: Final answer
    x = 54,345.29

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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.