Home / 57,686.64-79,608.60-33,830.52

Finding the Fourth Proportional to 57,686.64, 79,608.60 and 33,830.52

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Solution

The fourth proportional to 57,686.64, 79,608.60 and 33,830.52 is: 46,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.64 : 79,608.60 = 33,830.52 : x
  2. Step 2: Convert to fraction form
    57,686.64/79,608.60 = 33,830.52/x
  3. Step 3: Cross multiply
    57,686.64x = 79,608.60 × 33,830.52
  4. Step 4: Simplify right side
    57,686.64x = 2,693,200,334.47
  5. Step 5: Solve for x
    x = 2,693,200,334.47/57,686.64
  6. Step 6: Final answer
    x = 46,686.73

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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.