Home / 119,579.67-165,016.53-65,130.62

Finding the Fourth Proportional to 119,579.67, 165,016.53 and 65,130.62

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Solution

The fourth proportional to 119,579.67, 165,016.53 and 65,130.62 is: 89,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,579.67 : 165,016.53 = 65,130.62 : x
  2. Step 2: Convert to fraction form
    119,579.67/165,016.53 = 65,130.62/x
  3. Step 3: Cross multiply
    119,579.67x = 165,016.53 × 65,130.62
  4. Step 4: Simplify right side
    119,579.67x = 10,747,628,084.07
  5. Step 5: Solve for x
    x = 10,747,628,084.07/119,579.67
  6. Step 6: Final answer
    x = 89,878.39

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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.