Home / 109,662.24-151,334.16-59,361.12

Finding the Fourth Proportional to 109,662.24, 151,334.16 and 59,361.12

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Solution

The fourth proportional to 109,662.24, 151,334.16 and 59,361.12 is: 81,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,662.24 : 151,334.16 = 59,361.12 : x
  2. Step 2: Convert to fraction form
    109,662.24/151,334.16 = 59,361.12/x
  3. Step 3: Cross multiply
    109,662.24x = 151,334.16 × 59,361.12
  4. Step 4: Simplify right side
    109,662.24x = 8,983,365,231.86
  5. Step 5: Solve for x
    x = 8,983,365,231.86/109,662.24
  6. Step 6: Final answer
    x = 81,918.49

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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.