Home / 116,731.52-161,089.36-69,002.08

Finding the Fourth Proportional to 116,731.52, 161,089.36 and 69,002.08

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Solution

The fourth proportional to 116,731.52, 161,089.36 and 69,002.08 is: 95,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.52 : 161,089.36 = 69,002.08 : x
  2. Step 2: Convert to fraction form
    116,731.52/161,089.36 = 69,002.08/x
  3. Step 3: Cross multiply
    116,731.52x = 161,089.36 × 69,002.08
  4. Step 4: Simplify right side
    116,731.52x = 11,115,500,905.87
  5. Step 5: Solve for x
    x = 11,115,500,905.87/116,731.52
  6. Step 6: Final answer
    x = 95,222.79

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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.