Home / 116,860.50-161,264.07-65,876.22

Finding the Fourth Proportional to 116,860.50, 161,264.07 and 65,876.22

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Solution

The fourth proportional to 116,860.50, 161,264.07 and 65,876.22 is: 90,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,860.50 : 161,264.07 = 65,876.22 : x
  2. Step 2: Convert to fraction form
    116,860.50/161,264.07 = 65,876.22/x
  3. Step 3: Cross multiply
    116,860.50x = 161,264.07 × 65,876.22
  4. Step 4: Simplify right side
    116,860.50x = 10,623,467,353.42
  5. Step 5: Solve for x
    x = 10,623,467,353.42/116,860.50
  6. Step 6: Final answer
    x = 90,907.26

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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.