Home / 73,016.32-109,477.40-28,647.56

Finding the Fourth Proportional to 73,016.32, 109,477.40 and 28,647.56

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Solution

The fourth proportional to 73,016.32, 109,477.40 and 28,647.56 is: 42,952.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,016.32 : 109,477.40 = 28,647.56 : x
  2. Step 2: Convert to fraction form
    73,016.32/109,477.40 = 28,647.56/x
  3. Step 3: Cross multiply
    73,016.32x = 109,477.40 × 28,647.56
  4. Step 4: Simplify right side
    73,016.32x = 3,136,260,385.14
  5. Step 5: Solve for x
    x = 3,136,260,385.14/73,016.32
  6. Step 6: Final answer
    x = 42,952.87

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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.