Home / 106,940.43-147,567.75-63,911.35

Finding the Fourth Proportional to 106,940.43, 147,567.75 and 63,911.35

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Solution

The fourth proportional to 106,940.43, 147,567.75 and 63,911.35 is: 88,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.43 : 147,567.75 = 63,911.35 : x
  2. Step 2: Convert to fraction form
    106,940.43/147,567.75 = 63,911.35/x
  3. Step 3: Cross multiply
    106,940.43x = 147,567.75 × 63,911.35
  4. Step 4: Simplify right side
    106,940.43x = 9,431,254,658.54
  5. Step 5: Solve for x
    x = 9,431,254,658.54/106,940.43
  6. Step 6: Final answer
    x = 88,191.67

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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.