Home / 101,319.87-151,935.15-53,923.53

Finding the Fourth Proportional to 101,319.87, 151,935.15 and 53,923.53

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Solution

The fourth proportional to 101,319.87, 151,935.15 and 53,923.53 is: 80,861.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,319.87 : 151,935.15 = 53,923.53 : x
  2. Step 2: Convert to fraction form
    101,319.87/151,935.15 = 53,923.53/x
  3. Step 3: Cross multiply
    101,319.87x = 151,935.15 × 53,923.53
  4. Step 4: Simplify right side
    101,319.87x = 8,192,879,619.08
  5. Step 5: Solve for x
    x = 8,192,879,619.08/101,319.87
  6. Step 6: Final answer
    x = 80,861.53

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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.