Home / 109,958.72-151,742.40-59,656.64

Finding the Fourth Proportional to 109,958.72, 151,742.40 and 59,656.64

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Solution

The fourth proportional to 109,958.72, 151,742.40 and 59,656.64 is: 82,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,958.72 : 151,742.40 = 59,656.64 : x
  2. Step 2: Convert to fraction form
    109,958.72/151,742.40 = 59,656.64/x
  3. Step 3: Cross multiply
    109,958.72x = 151,742.40 × 59,656.64
  4. Step 4: Simplify right side
    109,958.72x = 9,052,441,729.54
  5. Step 5: Solve for x
    x = 9,052,441,729.54/109,958.72
  6. Step 6: Final answer
    x = 82,325.82

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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.