Home / 106,435.39-159,653.71-31,556.19

Finding the Fourth Proportional to 106,435.39, 159,653.71 and 31,556.19

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Solution

The fourth proportional to 106,435.39, 159,653.71 and 31,556.19 is: 47,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,435.39 : 159,653.71 = 31,556.19 : x
  2. Step 2: Convert to fraction form
    106,435.39/159,653.71 = 31,556.19/x
  3. Step 3: Cross multiply
    106,435.39x = 159,653.71 × 31,556.19
  4. Step 4: Simplify right side
    106,435.39x = 5,038,062,008.70
  5. Step 5: Solve for x
    x = 5,038,062,008.70/106,435.39
  6. Step 6: Final answer
    x = 47,334.47

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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.