Home / 75,058.64-112,546.36-30,716.48

Finding the Fourth Proportional to 75,058.64, 112,546.36 and 30,716.48

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Solution

The fourth proportional to 75,058.64, 112,546.36 and 30,716.48 is: 46,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,058.64 : 112,546.36 = 30,716.48 : x
  2. Step 2: Convert to fraction form
    75,058.64/112,546.36 = 30,716.48/x
  3. Step 3: Cross multiply
    75,058.64x = 112,546.36 × 30,716.48
  4. Step 4: Simplify right side
    75,058.64x = 3,457,028,016.01
  5. Step 5: Solve for x
    x = 3,457,028,016.01/75,058.64
  6. Step 6: Final answer
    x = 46,057.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.