Home / 115,727.42-173,656.67-45,655.94

Finding the Fourth Proportional to 115,727.42, 173,656.67 and 45,655.94

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Solution

The fourth proportional to 115,727.42, 173,656.67 and 45,655.94 is: 68,509.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,727.42 : 173,656.67 = 45,655.94 : x
  2. Step 2: Convert to fraction form
    115,727.42/173,656.67 = 45,655.94/x
  3. Step 3: Cross multiply
    115,727.42x = 173,656.67 × 45,655.94
  4. Step 4: Simplify right side
    115,727.42x = 7,928,457,409.56
  5. Step 5: Solve for x
    x = 7,928,457,409.56/115,727.42
  6. Step 6: Final answer
    x = 68,509.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.