Home / 110,864.20-166,400.70-58,311.40

Finding the Fourth Proportional to 110,864.20, 166,400.70 and 58,311.40

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Solution

The fourth proportional to 110,864.20, 166,400.70 and 58,311.40 is: 87,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,864.20 : 166,400.70 = 58,311.40 : x
  2. Step 2: Convert to fraction form
    110,864.20/166,400.70 = 58,311.40/x
  3. Step 3: Cross multiply
    110,864.20x = 166,400.70 × 58,311.40
  4. Step 4: Simplify right side
    110,864.20x = 9,703,057,777.98
  5. Step 5: Solve for x
    x = 9,703,057,777.98/110,864.20
  6. Step 6: Final answer
    x = 87,522.01

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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.