Home / 77,539.56-107,004.61-43,548.10

Finding the Fourth Proportional to 77,539.56, 107,004.61 and 43,548.10

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Solution

The fourth proportional to 77,539.56, 107,004.61 and 43,548.10 is: 60,096.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,539.56 : 107,004.61 = 43,548.10 : x
  2. Step 2: Convert to fraction form
    77,539.56/107,004.61 = 43,548.10/x
  3. Step 3: Cross multiply
    77,539.56x = 107,004.61 × 43,548.10
  4. Step 4: Simplify right side
    77,539.56x = 4,659,847,243.66
  5. Step 5: Solve for x
    x = 4,659,847,243.66/77,539.56
  6. Step 6: Final answer
    x = 60,096.39

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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.