Home / 75,721.08-104,491.35-43,900.32

Finding the Fourth Proportional to 75,721.08, 104,491.35 and 43,900.32

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Solution

The fourth proportional to 75,721.08, 104,491.35 and 43,900.32 is: 60,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.08 : 104,491.35 = 43,900.32 : x
  2. Step 2: Convert to fraction form
    75,721.08/104,491.35 = 43,900.32/x
  3. Step 3: Cross multiply
    75,721.08x = 104,491.35 × 43,900.32
  4. Step 4: Simplify right side
    75,721.08x = 4,587,203,702.23
  5. Step 5: Solve for x
    x = 4,587,203,702.23/75,721.08
  6. Step 6: Final answer
    x = 60,580.27

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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.