Home / 106,554.90-159,804.60-31,657.44

Finding the Fourth Proportional to 106,554.90, 159,804.60 and 31,657.44

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Solution

The fourth proportional to 106,554.90, 159,804.60 and 31,657.44 is: 47,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554.90 : 159,804.60 = 31,657.44 : x
  2. Step 2: Convert to fraction form
    106,554.90/159,804.60 = 31,657.44/x
  3. Step 3: Cross multiply
    106,554.90x = 159,804.60 × 31,657.44
  4. Step 4: Simplify right side
    106,554.90x = 5,059,004,536.22
  5. Step 5: Solve for x
    x = 5,059,004,536.22/106,554.90
  6. Step 6: Final answer
    x = 47,477.92

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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.