Home / 100,814.77-151,134.67-50,853.16

Finding the Fourth Proportional to 100,814.77, 151,134.67 and 50,853.16

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Solution

The fourth proportional to 100,814.77, 151,134.67 and 50,853.16 is: 76,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,814.77 : 151,134.67 = 50,853.16 : x
  2. Step 2: Convert to fraction form
    100,814.77/151,134.67 = 50,853.16/x
  3. Step 3: Cross multiply
    100,814.77x = 151,134.67 × 50,853.16
  4. Step 4: Simplify right side
    100,814.77x = 7,685,675,555.06
  5. Step 5: Solve for x
    x = 7,685,675,555.06/100,814.77
  6. Step 6: Final answer
    x = 76,235.61

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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.