Home / 104,421.05-156,630.21-25,535.96

Finding the Fourth Proportional to 104,421.05, 156,630.21 and 25,535.96

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Solution

The fourth proportional to 104,421.05, 156,630.21 and 25,535.96 is: 38,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,421.05 : 156,630.21 = 25,535.96 : x
  2. Step 2: Convert to fraction form
    104,421.05/156,630.21 = 25,535.96/x
  3. Step 3: Cross multiply
    104,421.05x = 156,630.21 × 25,535.96
  4. Step 4: Simplify right side
    104,421.05x = 3,999,702,485.80
  5. Step 5: Solve for x
    x = 3,999,702,485.80/104,421.05
  6. Step 6: Final answer
    x = 38,303.60

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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.