Home / 104,076.88-143,626.09-56,330.62

Finding the Fourth Proportional to 104,076.88, 143,626.09 and 56,330.62

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Solution

The fourth proportional to 104,076.88, 143,626.09 and 56,330.62 is: 77,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,076.88 : 143,626.09 = 56,330.62 : x
  2. Step 2: Convert to fraction form
    104,076.88/143,626.09 = 56,330.62/x
  3. Step 3: Cross multiply
    104,076.88x = 143,626.09 × 56,330.62
  4. Step 4: Simplify right side
    104,076.88x = 8,090,546,697.88
  5. Step 5: Solve for x
    x = 8,090,546,697.88/104,076.88
  6. Step 6: Final answer
    x = 77,736.25

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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.