Home / 104,589.72-144,333.81-56,843.18

Finding the Fourth Proportional to 104,589.72, 144,333.81 and 56,843.18

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Solution

The fourth proportional to 104,589.72, 144,333.81 and 56,843.18 is: 78,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,589.72 : 144,333.81 = 56,843.18 : x
  2. Step 2: Convert to fraction form
    104,589.72/144,333.81 = 56,843.18/x
  3. Step 3: Cross multiply
    104,589.72x = 144,333.81 × 56,843.18
  4. Step 4: Simplify right side
    104,589.72x = 8,204,392,741.92
  5. Step 5: Solve for x
    x = 8,204,392,741.92/104,589.72
  6. Step 6: Final answer
    x = 78,443.59

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1.5x scale

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.