Home / 104,748.46-144,555.92-57,004.87

Finding the Fourth Proportional to 104,748.46, 144,555.92 and 57,004.87

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Solution

The fourth proportional to 104,748.46, 144,555.92 and 57,004.87 is: 78,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,748.46 : 144,555.92 = 57,004.87 : x
  2. Step 2: Convert to fraction form
    104,748.46/144,555.92 = 57,004.87/x
  3. Step 3: Cross multiply
    104,748.46x = 144,555.92 × 57,004.87
  4. Step 4: Simplify right side
    104,748.46x = 8,240,391,427.33
  5. Step 5: Solve for x
    x = 8,240,391,427.33/104,748.46
  6. Step 6: Final answer
    x = 78,668.38

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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.