Home / 116,788.26-161,167.98-66,487.26

Finding the Fourth Proportional to 116,788.26, 161,167.98 and 66,487.26

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Solution

The fourth proportional to 116,788.26, 161,167.98 and 66,487.26 is: 91,752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,788.26 : 161,167.98 = 66,487.26 : x
  2. Step 2: Convert to fraction form
    116,788.26/161,167.98 = 66,487.26/x
  3. Step 3: Cross multiply
    116,788.26x = 161,167.98 × 66,487.26
  4. Step 4: Simplify right side
    116,788.26x = 10,715,617,389.93
  5. Step 5: Solve for x
    x = 10,715,617,389.93/116,788.26
  6. Step 6: Final answer
    x = 91,752.52

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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.