Home / 104,031.88-143,563.92-58,719.40

Finding the Fourth Proportional to 104,031.88, 143,563.92 and 58,719.40

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Solution

The fourth proportional to 104,031.88, 143,563.92 and 58,719.40 is: 81,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,031.88 : 143,563.92 = 58,719.40 : x
  2. Step 2: Convert to fraction form
    104,031.88/143,563.92 = 58,719.40/x
  3. Step 3: Cross multiply
    104,031.88x = 143,563.92 × 58,719.40
  4. Step 4: Simplify right side
    104,031.88x = 8,429,987,244.05
  5. Step 5: Solve for x
    x = 8,429,987,244.05/104,031.88
  6. Step 6: Final answer
    x = 81,032.73

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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.