Home / 106,713.36-147,295.11-70,441.28

Finding the Fourth Proportional to 106,713.36, 147,295.11 and 70,441.28

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Solution

The fourth proportional to 106,713.36, 147,295.11 and 70,441.28 is: 97,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,713.36 : 147,295.11 = 70,441.28 : x
  2. Step 2: Convert to fraction form
    106,713.36/147,295.11 = 70,441.28/x
  3. Step 3: Cross multiply
    106,713.36x = 147,295.11 × 70,441.28
  4. Step 4: Simplify right side
    106,713.36x = 10,375,656,086.14
  5. Step 5: Solve for x
    x = 10,375,656,086.14/106,713.36
  6. Step 6: Final answer
    x = 97,229.21

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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.