Home / 82,769.04-114,223.32-45,045.36

Finding the Fourth Proportional to 82,769.04, 114,223.32 and 45,045.36

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Solution

The fourth proportional to 82,769.04, 114,223.32 and 45,045.36 is: 62,163.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.04 : 114,223.32 = 45,045.36 : x
  2. Step 2: Convert to fraction form
    82,769.04/114,223.32 = 45,045.36/x
  3. Step 3: Cross multiply
    82,769.04x = 114,223.32 × 45,045.36
  4. Step 4: Simplify right side
    82,769.04x = 5,145,230,569.80
  5. Step 5: Solve for x
    x = 5,145,230,569.80/82,769.04
  6. Step 6: Final answer
    x = 62,163.71

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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.