Home / 104,826.65-144,662.51-57,080.93

Finding the Fourth Proportional to 104,826.65, 144,662.51 and 57,080.93

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Solution

The fourth proportional to 104,826.65, 144,662.51 and 57,080.93 is: 78,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.65 : 144,662.51 = 57,080.93 : x
  2. Step 2: Convert to fraction form
    104,826.65/144,662.51 = 57,080.93/x
  3. Step 3: Cross multiply
    104,826.65x = 144,662.51 × 57,080.93
  4. Step 4: Simplify right side
    104,826.65x = 8,257,470,321.53
  5. Step 5: Solve for x
    x = 8,257,470,321.53/104,826.65
  6. Step 6: Final answer
    x = 78,772.62

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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.