Home / 65,739.81-90,723.62-37,060.56

Finding the Fourth Proportional to 65,739.81, 90,723.62 and 37,060.56

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Solution

The fourth proportional to 65,739.81, 90,723.62 and 37,060.56 is: 51,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.81 : 90,723.62 = 37,060.56 : x
  2. Step 2: Convert to fraction form
    65,739.81/90,723.62 = 37,060.56/x
  3. Step 3: Cross multiply
    65,739.81x = 90,723.62 × 37,060.56
  4. Step 4: Simplify right side
    65,739.81x = 3,362,267,977.12
  5. Step 5: Solve for x
    x = 3,362,267,977.12/65,739.81
  6. Step 6: Final answer
    x = 51,145.08

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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.