Home / 104,749.96-144,554.32-57,003.16

Finding the Fourth Proportional to 104,749.96, 144,554.32 and 57,003.16

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Solution

The fourth proportional to 104,749.96, 144,554.32 and 57,003.16 is: 78,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,749.96 : 144,554.32 = 57,003.16 : x
  2. Step 2: Convert to fraction form
    104,749.96/144,554.32 = 57,003.16/x
  3. Step 3: Cross multiply
    104,749.96x = 144,554.32 × 57,003.16
  4. Step 4: Simplify right side
    104,749.96x = 8,240,053,031.65
  5. Step 5: Solve for x
    x = 8,240,053,031.65/104,749.96
  6. Step 6: Final answer
    x = 78,664.02

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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.