Home / 109,219.77-150,722.96-61,473.11

Finding the Fourth Proportional to 109,219.77, 150,722.96 and 61,473.11

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Solution

The fourth proportional to 109,219.77, 150,722.96 and 61,473.11 is: 84,832.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,219.77 : 150,722.96 = 61,473.11 : x
  2. Step 2: Convert to fraction form
    109,219.77/150,722.96 = 61,473.11/x
  3. Step 3: Cross multiply
    109,219.77x = 150,722.96 × 61,473.11
  4. Step 4: Simplify right side
    109,219.77x = 9,265,410,127.43
  5. Step 5: Solve for x
    x = 9,265,410,127.43/109,219.77
  6. Step 6: Final answer
    x = 84,832.72

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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.