Home / 106,354.08-159,568.02-47,231.28

Finding the Fourth Proportional to 106,354.08, 159,568.02 and 47,231.28

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Solution

The fourth proportional to 106,354.08, 159,568.02 and 47,231.28 is: 70,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,354.08 : 159,568.02 = 47,231.28 : x
  2. Step 2: Convert to fraction form
    106,354.08/159,568.02 = 47,231.28/x
  3. Step 3: Cross multiply
    106,354.08x = 159,568.02 × 47,231.28
  4. Step 4: Simplify right side
    106,354.08x = 7,536,601,831.67
  5. Step 5: Solve for x
    x = 7,536,601,831.67/106,354.08
  6. Step 6: Final answer
    x = 70,863.31

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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.