Home / 117,134.24-161,645.04-63,419.25

Finding the Fourth Proportional to 117,134.24, 161,645.04 and 63,419.25

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Solution

The fourth proportional to 117,134.24, 161,645.04 and 63,419.25 is: 87,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,134.24 : 161,645.04 = 63,419.25 : x
  2. Step 2: Convert to fraction form
    117,134.24/161,645.04 = 63,419.25/x
  3. Step 3: Cross multiply
    117,134.24x = 161,645.04 × 63,419.25
  4. Step 4: Simplify right side
    117,134.24x = 10,251,407,203.02
  5. Step 5: Solve for x
    x = 10,251,407,203.02/117,134.24
  6. Step 6: Final answer
    x = 87,518.45

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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.