Home / 104,176.24-143,763.16-56,429.48

Finding the Fourth Proportional to 104,176.24, 143,763.16 and 56,429.48

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Solution

The fourth proportional to 104,176.24, 143,763.16 and 56,429.48 is: 77,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.24 : 143,763.16 = 56,429.48 : x
  2. Step 2: Convert to fraction form
    104,176.24/143,763.16 = 56,429.48/x
  3. Step 3: Cross multiply
    104,176.24x = 143,763.16 × 56,429.48
  4. Step 4: Simplify right side
    104,176.24x = 8,112,480,361.96
  5. Step 5: Solve for x
    x = 8,112,480,361.96/104,176.24
  6. Step 6: Final answer
    x = 77,872.65

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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.