Home / 104,434.29-144,118.41-56,687.61

Finding the Fourth Proportional to 104,434.29, 144,118.41 and 56,687.61

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Solution

The fourth proportional to 104,434.29, 144,118.41 and 56,687.61 is: 78,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,434.29 : 144,118.41 = 56,687.61 : x
  2. Step 2: Convert to fraction form
    104,434.29/144,118.41 = 56,687.61/x
  3. Step 3: Cross multiply
    104,434.29x = 144,118.41 × 56,687.61
  4. Step 4: Simplify right side
    104,434.29x = 8,169,728,219.90
  5. Step 5: Solve for x
    x = 8,169,728,219.90/104,434.29
  6. Step 6: Final answer
    x = 78,228.41

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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.