Home / 107,966.70-161,731.35-61,164.90

Finding the Fourth Proportional to 107,966.70, 161,731.35 and 61,164.90

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Solution

The fourth proportional to 107,966.70, 161,731.35 and 61,164.90 is: 91,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,966.70 : 161,731.35 = 61,164.90 : x
  2. Step 2: Convert to fraction form
    107,966.70/161,731.35 = 61,164.90/x
  3. Step 3: Cross multiply
    107,966.70x = 161,731.35 × 61,164.90
  4. Step 4: Simplify right side
    107,966.70x = 9,892,281,849.62
  5. Step 5: Solve for x
    x = 9,892,281,849.62/107,966.70
  6. Step 6: Final answer
    x = 91,623.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.