Home / 101,965.79-152,964.24-52,018.64

Finding the Fourth Proportional to 101,965.79, 152,964.24 and 52,018.64

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Solution

The fourth proportional to 101,965.79, 152,964.24 and 52,018.64 is: 78,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,965.79 : 152,964.24 = 52,018.64 : x
  2. Step 2: Convert to fraction form
    101,965.79/152,964.24 = 52,018.64/x
  3. Step 3: Cross multiply
    101,965.79x = 152,964.24 × 52,018.64
  4. Step 4: Simplify right side
    101,965.79x = 7,956,991,473.34
  5. Step 5: Solve for x
    x = 7,956,991,473.34/101,965.79
  6. Step 6: Final answer
    x = 78,035.90

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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.