Home / 104,787.92-144,608.84-57,042.76

Finding the Fourth Proportional to 104,787.92, 144,608.84 and 57,042.76

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Solution

The fourth proportional to 104,787.92, 144,608.84 and 57,042.76 is: 78,719.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.92 : 144,608.84 = 57,042.76 : x
  2. Step 2: Convert to fraction form
    104,787.92/144,608.84 = 57,042.76/x
  3. Step 3: Cross multiply
    104,787.92x = 144,608.84 × 57,042.76
  4. Step 4: Simplify right side
    104,787.92x = 8,248,887,354.00
  5. Step 5: Solve for x
    x = 8,248,887,354.00/104,787.92
  6. Step 6: Final answer
    x = 78,719.83

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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.