Home / 106,940.45-147,567.69-63,911.43

Finding the Fourth Proportional to 106,940.45, 147,567.69 and 63,911.43

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Solution

The fourth proportional to 106,940.45, 147,567.69 and 63,911.43 is: 88,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,940.45 : 147,567.69 = 63,911.43 : x
  2. Step 2: Convert to fraction form
    106,940.45/147,567.69 = 63,911.43/x
  3. Step 3: Cross multiply
    106,940.45x = 147,567.69 × 63,911.43
  4. Step 4: Simplify right side
    106,940.45x = 9,431,262,089.70
  5. Step 5: Solve for x
    x = 9,431,262,089.70/106,940.45
  6. Step 6: Final answer
    x = 88,191.72

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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.