Home / 104,341.32-143,977.91-58,399.74

Finding the Fourth Proportional to 104,341.32, 143,977.91 and 58,399.74

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Solution

The fourth proportional to 104,341.32, 143,977.91 and 58,399.74 is: 80,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,341.32 : 143,977.91 = 58,399.74 : x
  2. Step 2: Convert to fraction form
    104,341.32/143,977.91 = 58,399.74/x
  3. Step 3: Cross multiply
    104,341.32x = 143,977.91 × 58,399.74
  4. Step 4: Simplify right side
    104,341.32x = 8,408,272,217.74
  5. Step 5: Solve for x
    x = 8,408,272,217.74/104,341.32
  6. Step 6: Final answer
    x = 80,584.30

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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.