Home / 82,491.13-113,837.70-46,680.49

Finding the Fourth Proportional to 82,491.13, 113,837.70 and 46,680.49

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Solution

The fourth proportional to 82,491.13, 113,837.70 and 46,680.49 is: 64,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,491.13 : 113,837.70 = 46,680.49 : x
  2. Step 2: Convert to fraction form
    82,491.13/113,837.70 = 46,680.49/x
  3. Step 3: Cross multiply
    82,491.13x = 113,837.70 × 46,680.49
  4. Step 4: Simplify right side
    82,491.13x = 5,313,999,616.47
  5. Step 5: Solve for x
    x = 5,313,999,616.47/82,491.13
  6. Step 6: Final answer
    x = 64,419.04

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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.