Home / 75,972.36-104,844.44-47,693.64

Finding the Fourth Proportional to 75,972.36, 104,844.44 and 47,693.64

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Solution

The fourth proportional to 75,972.36, 104,844.44 and 47,693.64 is: 65,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,972.36 : 104,844.44 = 47,693.64 : x
  2. Step 2: Convert to fraction form
    75,972.36/104,844.44 = 47,693.64/x
  3. Step 3: Cross multiply
    75,972.36x = 104,844.44 × 47,693.64
  4. Step 4: Simplify right side
    75,972.36x = 5,000,412,977.36
  5. Step 5: Solve for x
    x = 5,000,412,977.36/75,972.36
  6. Step 6: Final answer
    x = 65,818.84

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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.