Home / 104,827.15-144,663.20-57,081.43

Finding the Fourth Proportional to 104,827.15, 144,663.20 and 57,081.43

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Solution

The fourth proportional to 104,827.15, 144,663.20 and 57,081.43 is: 78,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,827.15 : 144,663.20 = 57,081.43 : x
  2. Step 2: Convert to fraction form
    104,827.15/144,663.20 = 57,081.43/x
  3. Step 3: Cross multiply
    104,827.15x = 144,663.20 × 57,081.43
  4. Step 4: Simplify right side
    104,827.15x = 8,257,582,038.97
  5. Step 5: Solve for x
    x = 8,257,582,038.97/104,827.15
  6. Step 6: Final answer
    x = 78,773.31

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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.