Home / 106,557.03-146,984.81-77,841.56

Finding the Fourth Proportional to 106,557.03, 146,984.81 and 77,841.56

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Solution

The fourth proportional to 106,557.03, 146,984.81 and 77,841.56 is: 107,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.03 : 146,984.81 = 77,841.56 : x
  2. Step 2: Convert to fraction form
    106,557.03/146,984.81 = 77,841.56/x
  3. Step 3: Cross multiply
    106,557.03x = 146,984.81 × 77,841.56
  4. Step 4: Simplify right side
    106,557.03x = 11,441,525,782.57
  5. Step 5: Solve for x
    x = 11,441,525,782.57/106,557.03
  6. Step 6: Final answer
    x = 107,374.67

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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.