Home / 106,103.76-146,373.96-63,588.48

Finding the Fourth Proportional to 106,103.76, 146,373.96 and 63,588.48

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Solution

The fourth proportional to 106,103.76, 146,373.96 and 63,588.48 is: 87,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,103.76 : 146,373.96 = 63,588.48 : x
  2. Step 2: Convert to fraction form
    106,103.76/146,373.96 = 63,588.48/x
  3. Step 3: Cross multiply
    106,103.76x = 146,373.96 × 63,588.48
  4. Step 4: Simplify right side
    106,103.76x = 9,307,697,627.98
  5. Step 5: Solve for x
    x = 9,307,697,627.98/106,103.76
  6. Step 6: Final answer
    x = 87,722.60

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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.