Home / 83,165.06-114,767.89-45,439.31

Finding the Fourth Proportional to 83,165.06, 114,767.89 and 45,439.31

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Solution

The fourth proportional to 83,165.06, 114,767.89 and 45,439.31 is: 62,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,165.06 : 114,767.89 = 45,439.31 : x
  2. Step 2: Convert to fraction form
    83,165.06/114,767.89 = 45,439.31/x
  3. Step 3: Cross multiply
    83,165.06x = 114,767.89 × 45,439.31
  4. Step 4: Simplify right side
    83,165.06x = 5,214,973,905.08
  5. Step 5: Solve for x
    x = 5,214,973,905.08/83,165.06
  6. Step 6: Final answer
    x = 62,706.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.