Home / 106,042.16-159,038.64-46,845.54

Finding the Fourth Proportional to 106,042.16, 159,038.64 and 46,845.54

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Solution

The fourth proportional to 106,042.16, 159,038.64 and 46,845.54 is: 70,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,042.16 : 159,038.64 = 46,845.54 : x
  2. Step 2: Convert to fraction form
    106,042.16/159,038.64 = 46,845.54/x
  3. Step 3: Cross multiply
    106,042.16x = 159,038.64 × 46,845.54
  4. Step 4: Simplify right side
    106,042.16x = 7,450,250,971.67
  5. Step 5: Solve for x
    x = 7,450,250,971.67/106,042.16
  6. Step 6: Final answer
    x = 70,257.44

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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.