Home / 106,042.59-146,341.58-57,647.78

Finding the Fourth Proportional to 106,042.59, 146,341.58 and 57,647.78

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Solution

The fourth proportional to 106,042.59, 146,341.58 and 57,647.78 is: 79,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,042.59 : 146,341.58 = 57,647.78 : x
  2. Step 2: Convert to fraction form
    106,042.59/146,341.58 = 57,647.78/x
  3. Step 3: Cross multiply
    106,042.59x = 146,341.58 × 57,647.78
  4. Step 4: Simplify right side
    106,042.59x = 8,436,267,208.69
  5. Step 5: Solve for x
    x = 8,436,267,208.69/106,042.59
  6. Step 6: Final answer
    x = 79,555.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.