Home / 73,666.56-101,659.36-40,131.84

Finding the Fourth Proportional to 73,666.56, 101,659.36 and 40,131.84

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Solution

The fourth proportional to 73,666.56, 101,659.36 and 40,131.84 is: 55,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,666.56 : 101,659.36 = 40,131.84 : x
  2. Step 2: Convert to fraction form
    73,666.56/101,659.36 = 40,131.84/x
  3. Step 3: Cross multiply
    73,666.56x = 101,659.36 × 40,131.84
  4. Step 4: Simplify right side
    73,666.56x = 4,079,777,170.02
  5. Step 5: Solve for x
    x = 4,079,777,170.02/73,666.56
  6. Step 6: Final answer
    x = 55,381.67

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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.