Home / 75,108.64-103,648.32-41,116.24

Finding the Fourth Proportional to 75,108.64, 103,648.32 and 41,116.24

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Solution

The fourth proportional to 75,108.64, 103,648.32 and 41,116.24 is: 56,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.64 : 103,648.32 = 41,116.24 : x
  2. Step 2: Convert to fraction form
    75,108.64/103,648.32 = 41,116.24/x
  3. Step 3: Cross multiply
    75,108.64x = 103,648.32 × 41,116.24
  4. Step 4: Simplify right side
    75,108.64x = 4,261,629,200.72
  5. Step 5: Solve for x
    x = 4,261,629,200.72/75,108.64
  6. Step 6: Final answer
    x = 56,739.53

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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.