Home / 104,554.36-144,286.56-56,808.64

Finding the Fourth Proportional to 104,554.36, 144,286.56 and 56,808.64

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Solution

The fourth proportional to 104,554.36, 144,286.56 and 56,808.64 is: 78,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554.36 : 144,286.56 = 56,808.64 : x
  2. Step 2: Convert to fraction form
    104,554.36/144,286.56 = 56,808.64/x
  3. Step 3: Cross multiply
    104,554.36x = 144,286.56 × 56,808.64
  4. Step 4: Simplify right side
    104,554.36x = 8,196,723,243.88
  5. Step 5: Solve for x
    x = 8,196,723,243.88/104,554.36
  6. Step 6: Final answer
    x = 78,396.76

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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.