Home / 104,810.87-144,638.78-57,063.80

Finding the Fourth Proportional to 104,810.87, 144,638.78 and 57,063.80

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Solution

The fourth proportional to 104,810.87, 144,638.78 and 57,063.80 is: 78,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,810.87 : 144,638.78 = 57,063.80 : x
  2. Step 2: Convert to fraction form
    104,810.87/144,638.78 = 57,063.80/x
  3. Step 3: Cross multiply
    104,810.87x = 144,638.78 × 57,063.80
  4. Step 4: Simplify right side
    104,810.87x = 8,253,637,405.65
  5. Step 5: Solve for x
    x = 8,253,637,405.65/104,810.87
  6. Step 6: Final answer
    x = 78,747.92

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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.