Home / 106,490.26-159,677.34-53,065.18

Finding the Fourth Proportional to 106,490.26, 159,677.34 and 53,065.18

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Solution

The fourth proportional to 106,490.26, 159,677.34 and 53,065.18 is: 79,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,490.26 : 159,677.34 = 53,065.18 : x
  2. Step 2: Convert to fraction form
    106,490.26/159,677.34 = 53,065.18/x
  3. Step 3: Cross multiply
    106,490.26x = 159,677.34 × 53,065.18
  4. Step 4: Simplify right side
    106,490.26x = 8,473,306,789.02
  5. Step 5: Solve for x
    x = 8,473,306,789.02/106,490.26
  6. Step 6: Final answer
    x = 79,568.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.