Home / 104,491.32-156,687.57-40,479.45

Finding the Fourth Proportional to 104,491.32, 156,687.57 and 40,479.45

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Solution

The fourth proportional to 104,491.32, 156,687.57 and 40,479.45 is: 60,700.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,491.32 : 156,687.57 = 40,479.45 : x
  2. Step 2: Convert to fraction form
    104,491.32/156,687.57 = 40,479.45/x
  3. Step 3: Cross multiply
    104,491.32x = 156,687.57 × 40,479.45
  4. Step 4: Simplify right side
    104,491.32x = 6,342,625,872.00
  5. Step 5: Solve for x
    x = 6,342,625,872.00/104,491.32
  6. Step 6: Final answer
    x = 60,700.03

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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.