Home / 106,440.68-146,889.30-58,695.74

Finding the Fourth Proportional to 106,440.68, 146,889.30 and 58,695.74

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Solution

The fourth proportional to 106,440.68, 146,889.30 and 58,695.74 is: 81,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,440.68 : 146,889.30 = 58,695.74 : x
  2. Step 2: Convert to fraction form
    106,440.68/146,889.30 = 58,695.74/x
  3. Step 3: Cross multiply
    106,440.68x = 146,889.30 × 58,695.74
  4. Step 4: Simplify right side
    106,440.68x = 8,621,776,161.58
  5. Step 5: Solve for x
    x = 8,621,776,161.58/106,440.68
  6. Step 6: Final answer
    x = 81,000.76

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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.