Home / 117,066.90-161,553.49-63,353.07

Finding the Fourth Proportional to 117,066.90, 161,553.49 and 63,353.07

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Solution

The fourth proportional to 117,066.90, 161,553.49 and 63,353.07 is: 87,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,066.90 : 161,553.49 = 63,353.07 : x
  2. Step 2: Convert to fraction form
    117,066.90/161,553.49 = 63,353.07/x
  3. Step 3: Cross multiply
    117,066.90x = 161,553.49 × 63,353.07
  4. Step 4: Simplify right side
    117,066.90x = 10,234,909,560.71
  5. Step 5: Solve for x
    x = 10,234,909,560.71/117,066.90
  6. Step 6: Final answer
    x = 87,427.87

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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.