Home / 111,878.07-154,393.44-60,892.82

Finding the Fourth Proportional to 111,878.07, 154,393.44 and 60,892.82

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Solution

The fourth proportional to 111,878.07, 154,393.44 and 60,892.82 is: 84,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,878.07 : 154,393.44 = 60,892.82 : x
  2. Step 2: Convert to fraction form
    111,878.07/154,393.44 = 60,892.82/x
  3. Step 3: Cross multiply
    111,878.07x = 154,393.44 × 60,892.82
  4. Step 4: Simplify right side
    111,878.07x = 9,401,451,179.13
  5. Step 5: Solve for x
    x = 9,401,451,179.13/111,878.07
  6. Step 6: Final answer
    x = 84,033.01

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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.