Home / 116,948.00-161,351.40-71,578.68

Finding the Fourth Proportional to 116,948.00, 161,351.40 and 71,578.68

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Solution

The fourth proportional to 116,948.00, 161,351.40 and 71,578.68 is: 98,756.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,948.00 : 161,351.40 = 71,578.68 : x
  2. Step 2: Convert to fraction form
    116,948.00/161,351.40 = 71,578.68/x
  3. Step 3: Cross multiply
    116,948.00x = 161,351.40 × 71,578.68
  4. Step 4: Simplify right side
    116,948.00x = 11,549,320,564.80
  5. Step 5: Solve for x
    x = 11,549,320,564.80/116,948.00
  6. Step 6: Final answer
    x = 98,756.03

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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.