Home / 106,454.03-159,653.81-31,556.67

Finding the Fourth Proportional to 106,454.03, 159,653.81 and 31,556.67

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Solution

The fourth proportional to 106,454.03, 159,653.81 and 31,556.67 is: 47,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.03 : 159,653.81 = 31,556.67 : x
  2. Step 2: Convert to fraction form
    106,454.03/159,653.81 = 31,556.67/x
  3. Step 3: Cross multiply
    106,454.03x = 159,653.81 × 31,556.67
  4. Step 4: Simplify right side
    106,454.03x = 5,038,142,438.63
  5. Step 5: Solve for x
    x = 5,038,142,438.63/106,454.03
  6. Step 6: Final answer
    x = 47,326.93

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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.