Home / 55,795.56-76,997.16-30,643.44

Finding the Fourth Proportional to 55,795.56, 76,997.16 and 30,643.44

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Solution

The fourth proportional to 55,795.56, 76,997.16 and 30,643.44 is: 42,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.56 : 76,997.16 = 30,643.44 : x
  2. Step 2: Convert to fraction form
    55,795.56/76,997.16 = 30,643.44/x
  3. Step 3: Cross multiply
    55,795.56x = 76,997.16 × 30,643.44
  4. Step 4: Simplify right side
    55,795.56x = 2,359,457,852.63
  5. Step 5: Solve for x
    x = 2,359,457,852.63/55,795.56
  6. Step 6: Final answer
    x = 42,287.56

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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.