Home / 82,769.64-114,222.60-45,044.16

Finding the Fourth Proportional to 82,769.64, 114,222.60 and 45,044.16

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Solution

The fourth proportional to 82,769.64, 114,222.60 and 45,044.16 is: 62,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.64 : 114,222.60 = 45,044.16 : x
  2. Step 2: Convert to fraction form
    82,769.64/114,222.60 = 45,044.16/x
  3. Step 3: Cross multiply
    82,769.64x = 114,222.60 × 45,044.16
  4. Step 4: Simplify right side
    82,769.64x = 5,145,061,070.02
  5. Step 5: Solve for x
    x = 5,145,061,070.02/82,769.64
  6. Step 6: Final answer
    x = 62,161.21

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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.