Home / 75,193.56-112,779-25,271.64

Finding the Fourth Proportional to 75,193.56, 112,779 and 25,271.64

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Solution

The fourth proportional to 75,193.56, 112,779 and 25,271.64 is: 37,903.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,193.56 : 112,779 = 25,271.64 : x
  2. Step 2: Convert to fraction form
    75,193.56/112,779 = 25,271.64/x
  3. Step 3: Cross multiply
    75,193.56x = 112,779 × 25,271.64
  4. Step 4: Simplify right side
    75,193.56x = 2,850,110,287.56
  5. Step 5: Solve for x
    x = 2,850,110,287.56/75,193.56
  6. Step 6: Final answer
    x = 37,903.65

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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.