Home / 104,440.32-156,686.40-30,568.32

Finding the Fourth Proportional to 104,440.32, 156,686.40 and 30,568.32

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Solution

The fourth proportional to 104,440.32, 156,686.40 and 30,568.32 is: 45,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.32 : 156,686.40 = 30,568.32 : x
  2. Step 2: Convert to fraction form
    104,440.32/156,686.40 = 30,568.32/x
  3. Step 3: Cross multiply
    104,440.32x = 156,686.40 × 30,568.32
  4. Step 4: Simplify right side
    104,440.32x = 4,789,640,014.85
  5. Step 5: Solve for x
    x = 4,789,640,014.85/104,440.32
  6. Step 6: Final answer
    x = 45,860.07

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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.