Home / 109,469.07-151,068.24-61,723.62

Finding the Fourth Proportional to 109,469.07, 151,068.24 and 61,723.62

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Solution

The fourth proportional to 109,469.07, 151,068.24 and 61,723.62 is: 85,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,469.07 : 151,068.24 = 61,723.62 : x
  2. Step 2: Convert to fraction form
    109,469.07/151,068.24 = 61,723.62/x
  3. Step 3: Cross multiply
    109,469.07x = 151,068.24 × 61,723.62
  4. Step 4: Simplify right side
    109,469.07x = 9,324,478,639.83
  5. Step 5: Solve for x
    x = 9,324,478,639.83/109,469.07
  6. Step 6: Final answer
    x = 85,179.12

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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.