Home / 90,592.40-135,891.44-43,212.64

Finding the Fourth Proportional to 90,592.40, 135,891.44 and 43,212.64

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Solution

The fourth proportional to 90,592.40, 135,891.44 and 43,212.64 is: 64,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.40 : 135,891.44 = 43,212.64 : x
  2. Step 2: Convert to fraction form
    90,592.40/135,891.44 = 43,212.64/x
  3. Step 3: Cross multiply
    90,592.40x = 135,891.44 × 43,212.64
  4. Step 4: Simplify right side
    90,592.40x = 5,872,227,644.10
  5. Step 5: Solve for x
    x = 5,872,227,644.10/90,592.40
  6. Step 6: Final answer
    x = 64,820.31

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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.