Home / 90,614.43-135,846.81-39,977.37

Finding the Fourth Proportional to 90,614.43, 135,846.81 and 39,977.37

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Solution

The fourth proportional to 90,614.43, 135,846.81 and 39,977.37 is: 59,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.43 : 135,846.81 = 39,977.37 : x
  2. Step 2: Convert to fraction form
    90,614.43/135,846.81 = 39,977.37/x
  3. Step 3: Cross multiply
    90,614.43x = 135,846.81 × 39,977.37
  4. Step 4: Simplify right side
    90,614.43x = 5,430,798,186.69
  5. Step 5: Solve for x
    x = 5,430,798,186.69/90,614.43
  6. Step 6: Final answer
    x = 59,933.04

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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.