Home / 82,746.14-114,190.17-45,020.66

Finding the Fourth Proportional to 82,746.14, 114,190.17 and 45,020.66

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Solution

The fourth proportional to 82,746.14, 114,190.17 and 45,020.66 is: 62,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,746.14 : 114,190.17 = 45,020.66 : x
  2. Step 2: Convert to fraction form
    82,746.14/114,190.17 = 45,020.66/x
  3. Step 3: Cross multiply
    82,746.14x = 114,190.17 × 45,020.66
  4. Step 4: Simplify right side
    82,746.14x = 5,140,916,818.91
  5. Step 5: Solve for x
    x = 5,140,916,818.91/82,746.14
  6. Step 6: Final answer
    x = 62,128.78

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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.