Home / 104,521.04-156,784.54-25,635.20

Finding the Fourth Proportional to 104,521.04, 156,784.54 and 25,635.20

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Solution

The fourth proportional to 104,521.04, 156,784.54 and 25,635.20 is: 38,453.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,521.04 : 156,784.54 = 25,635.20 : x
  2. Step 2: Convert to fraction form
    104,521.04/156,784.54 = 25,635.20/x
  3. Step 3: Cross multiply
    104,521.04x = 156,784.54 × 25,635.20
  4. Step 4: Simplify right side
    104,521.04x = 4,019,203,039.81
  5. Step 5: Solve for x
    x = 4,019,203,039.81/104,521.04
  6. Step 6: Final answer
    x = 38,453.53

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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.