Home / 116,886.68-161,264.22-66,550.04

Finding the Fourth Proportional to 116,886.68, 161,264.22 and 66,550.04

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Solution

The fourth proportional to 116,886.68, 161,264.22 and 66,550.04 is: 91,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,886.68 : 161,264.22 = 66,550.04 : x
  2. Step 2: Convert to fraction form
    116,886.68/161,264.22 = 66,550.04/x
  3. Step 3: Cross multiply
    116,886.68x = 161,264.22 × 66,550.04
  4. Step 4: Simplify right side
    116,886.68x = 10,732,140,291.57
  5. Step 5: Solve for x
    x = 10,732,140,291.57/116,886.68
  6. Step 6: Final answer
    x = 91,816.62

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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.