Home / 106,590.26-159,857.55-31,690.24

Finding the Fourth Proportional to 106,590.26, 159,857.55 and 31,690.24

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Solution

The fourth proportional to 106,590.26, 159,857.55 and 31,690.24 is: 47,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,590.26 : 159,857.55 = 31,690.24 : x
  2. Step 2: Convert to fraction form
    106,590.26/159,857.55 = 31,690.24/x
  3. Step 3: Cross multiply
    106,590.26x = 159,857.55 × 31,690.24
  4. Step 4: Simplify right side
    106,590.26x = 5,065,923,725.67
  5. Step 5: Solve for x
    x = 5,065,923,725.67/106,590.26
  6. Step 6: Final answer
    x = 47,527.08

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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.