Home / 106,561.42-147,044.28-58,811.68

Finding the Fourth Proportional to 106,561.42, 147,044.28 and 58,811.68

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Solution

The fourth proportional to 106,561.42, 147,044.28 and 58,811.68 is: 81,154.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,561.42 : 147,044.28 = 58,811.68 : x
  2. Step 2: Convert to fraction form
    106,561.42/147,044.28 = 58,811.68/x
  3. Step 3: Cross multiply
    106,561.42x = 147,044.28 × 58,811.68
  4. Step 4: Simplify right side
    106,561.42x = 8,647,921,141.19
  5. Step 5: Solve for x
    x = 8,647,921,141.19/106,561.42
  6. Step 6: Final answer
    x = 81,154.34

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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.