Home / 57,274.83-79,035.47-31,779.58

Finding the Fourth Proportional to 57,274.83, 79,035.47 and 31,779.58

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Solution

The fourth proportional to 57,274.83, 79,035.47 and 31,779.58 is: 43,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.83 : 79,035.47 = 31,779.58 : x
  2. Step 2: Convert to fraction form
    57,274.83/79,035.47 = 31,779.58/x
  3. Step 3: Cross multiply
    57,274.83x = 79,035.47 × 31,779.58
  4. Step 4: Simplify right side
    57,274.83x = 2,511,714,041.70
  5. Step 5: Solve for x
    x = 2,511,714,041.70/57,274.83
  6. Step 6: Final answer
    x = 43,853.71

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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.