Home / 109,474.02-151,074.18-61,727.40

Finding the Fourth Proportional to 109,474.02, 151,074.18 and 61,727.40

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Solution

The fourth proportional to 109,474.02, 151,074.18 and 61,727.40 is: 85,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,474.02 : 151,074.18 = 61,727.40 : x
  2. Step 2: Convert to fraction form
    109,474.02/151,074.18 = 61,727.40/x
  3. Step 3: Cross multiply
    109,474.02x = 151,074.18 × 61,727.40
  4. Step 4: Simplify right side
    109,474.02x = 9,325,416,338.53
  5. Step 5: Solve for x
    x = 9,325,416,338.53/109,474.02
  6. Step 6: Final answer
    x = 85,183.83

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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.