Home / 106,043.28-146,342.53-57,648.46

Finding the Fourth Proportional to 106,043.28, 146,342.53 and 57,648.46

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Solution

The fourth proportional to 106,043.28, 146,342.53 and 57,648.46 is: 79,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,043.28 : 146,342.53 = 57,648.46 : x
  2. Step 2: Convert to fraction form
    106,043.28/146,342.53 = 57,648.46/x
  3. Step 3: Cross multiply
    106,043.28x = 146,342.53 × 57,648.46
  4. Step 4: Simplify right side
    106,043.28x = 8,436,421,487.00
  5. Step 5: Solve for x
    x = 8,436,421,487.00/106,043.28
  6. Step 6: Final answer
    x = 79,556.40

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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.