Home / 106,475.36-159,678.49-35,378.90

Finding the Fourth Proportional to 106,475.36, 159,678.49 and 35,378.90

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Solution

The fourth proportional to 106,475.36, 159,678.49 and 35,378.90 is: 53,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,475.36 : 159,678.49 = 35,378.90 : x
  2. Step 2: Convert to fraction form
    106,475.36/159,678.49 = 35,378.90/x
  3. Step 3: Cross multiply
    106,475.36x = 159,678.49 × 35,378.90
  4. Step 4: Simplify right side
    106,475.36x = 5,649,249,632.54
  5. Step 5: Solve for x
    x = 5,649,249,632.54/106,475.36
  6. Step 6: Final answer
    x = 53,056.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.