Home / 109,828.08-151,546.91-61,429.77

Finding the Fourth Proportional to 109,828.08, 151,546.91 and 61,429.77

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Solution

The fourth proportional to 109,828.08, 151,546.91 and 61,429.77 is: 84,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,828.08 : 151,546.91 = 61,429.77 : x
  2. Step 2: Convert to fraction form
    109,828.08/151,546.91 = 61,429.77/x
  3. Step 3: Cross multiply
    109,828.08x = 151,546.91 × 61,429.77
  4. Step 4: Simplify right side
    109,828.08x = 9,309,491,518.36
  5. Step 5: Solve for x
    x = 9,309,491,518.36/109,828.08
  6. Step 6: Final answer
    x = 84,764.22

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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.