Home / 104,439.16-156,680.44-47,485.92

Finding the Fourth Proportional to 104,439.16, 156,680.44 and 47,485.92

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Solution

The fourth proportional to 104,439.16, 156,680.44 and 47,485.92 is: 71,238.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,439.16 : 156,680.44 = 47,485.92 : x
  2. Step 2: Convert to fraction form
    104,439.16/156,680.44 = 47,485.92/x
  3. Step 3: Cross multiply
    104,439.16x = 156,680.44 × 47,485.92
  4. Step 4: Simplify right side
    104,439.16x = 7,440,114,934.35
  5. Step 5: Solve for x
    x = 7,440,114,934.35/104,439.16
  6. Step 6: Final answer
    x = 71,238.75

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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.