Home / 106,478.32-159,682.91-35,381.87

Finding the Fourth Proportional to 106,478.32, 159,682.91 and 35,381.87

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Solution

The fourth proportional to 106,478.32, 159,682.91 and 35,381.87 is: 53,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,478.32 : 159,682.91 = 35,381.87 : x
  2. Step 2: Convert to fraction form
    106,478.32/159,682.91 = 35,381.87/x
  3. Step 3: Cross multiply
    106,478.32x = 159,682.91 × 35,381.87
  4. Step 4: Simplify right side
    106,478.32x = 5,649,879,962.84
  5. Step 5: Solve for x
    x = 5,649,879,962.84/106,478.32
  6. Step 6: Final answer
    x = 53,061.32

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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.