Home / 104,467.15-144,165.42-56,720.53

Finding the Fourth Proportional to 104,467.15, 144,165.42 and 56,720.53

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Solution

The fourth proportional to 104,467.15, 144,165.42 and 56,720.53 is: 78,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,467.15 : 144,165.42 = 56,720.53 : x
  2. Step 2: Convert to fraction form
    104,467.15/144,165.42 = 56,720.53/x
  3. Step 3: Cross multiply
    104,467.15x = 144,165.42 × 56,720.53
  4. Step 4: Simplify right side
    104,467.15x = 8,177,138,025.64
  5. Step 5: Solve for x
    x = 8,177,138,025.64/104,467.15
  6. Step 6: Final answer
    x = 78,274.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.