Home / 82,439.60-113,769.11-46,628.89

Finding the Fourth Proportional to 82,439.60, 113,769.11 and 46,628.89

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Solution

The fourth proportional to 82,439.60, 113,769.11 and 46,628.89 is: 64,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,439.60 : 113,769.11 = 46,628.89 : x
  2. Step 2: Convert to fraction form
    82,439.60/113,769.11 = 46,628.89/x
  3. Step 3: Cross multiply
    82,439.60x = 113,769.11 × 46,628.89
  4. Step 4: Simplify right side
    82,439.60x = 5,304,927,147.74
  5. Step 5: Solve for x
    x = 5,304,927,147.74/82,439.60
  6. Step 6: Final answer
    x = 64,349.26

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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.