Home / 43,122.48-64,566.96-31,896

Finding the Fourth Proportional to 43,122.48, 64,566.96 and 31,896

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Solution

The fourth proportional to 43,122.48, 64,566.96 and 31,896 is: 47,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,122.48 : 64,566.96 = 31,896 : x
  2. Step 2: Convert to fraction form
    43,122.48/64,566.96 = 31,896/x
  3. Step 3: Cross multiply
    43,122.48x = 64,566.96 × 31,896
  4. Step 4: Simplify right side
    43,122.48x = 2,059,427,756.16
  5. Step 5: Solve for x
    x = 2,059,427,756.16/43,122.48
  6. Step 6: Final answer
    x = 47,757.64

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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.