Home / 57,237.12-78,984-33,367.68

Finding the Fourth Proportional to 57,237.12, 78,984 and 33,367.68

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Solution

The fourth proportional to 57,237.12, 78,984 and 33,367.68 is: 46,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,237.12 : 78,984 = 33,367.68 : x
  2. Step 2: Convert to fraction form
    57,237.12/78,984 = 33,367.68/x
  3. Step 3: Cross multiply
    57,237.12x = 78,984 × 33,367.68
  4. Step 4: Simplify right side
    57,237.12x = 2,635,512,837.12
  5. Step 5: Solve for x
    x = 2,635,512,837.12/57,237.12
  6. Step 6: Final answer
    x = 46,045.52

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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.