Home / 116,864.12-161,305.50-69,134.04

Finding the Fourth Proportional to 116,864.12, 161,305.50 and 69,134.04

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Solution

The fourth proportional to 116,864.12, 161,305.50 and 69,134.04 is: 95,424.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,864.12 : 161,305.50 = 69,134.04 : x
  2. Step 2: Convert to fraction form
    116,864.12/161,305.50 = 69,134.04/x
  3. Step 3: Cross multiply
    116,864.12x = 161,305.50 × 69,134.04
  4. Step 4: Simplify right side
    116,864.12x = 11,151,700,889.22
  5. Step 5: Solve for x
    x = 11,151,700,889.22/116,864.12
  6. Step 6: Final answer
    x = 95,424.51

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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.