Home / 104,617.35-144,371.79-56,871.05

Finding the Fourth Proportional to 104,617.35, 144,371.79 and 56,871.05

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Solution

The fourth proportional to 104,617.35, 144,371.79 and 56,871.05 is: 78,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.35 : 144,371.79 = 56,871.05 : x
  2. Step 2: Convert to fraction form
    104,617.35/144,371.79 = 56,871.05/x
  3. Step 3: Cross multiply
    104,617.35x = 144,371.79 × 56,871.05
  4. Step 4: Simplify right side
    104,617.35x = 8,210,574,565.82
  5. Step 5: Solve for x
    x = 8,210,574,565.82/104,617.35
  6. Step 6: Final answer
    x = 78,481.96

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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.