Home / 75,685.44-104,317.92-51,770.88

Finding the Fourth Proportional to 75,685.44, 104,317.92 and 51,770.88

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Solution

The fourth proportional to 75,685.44, 104,317.92 and 51,770.88 is: 71,356.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.44 : 104,317.92 = 51,770.88 : x
  2. Step 2: Convert to fraction form
    75,685.44/104,317.92 = 51,770.88/x
  3. Step 3: Cross multiply
    75,685.44x = 104,317.92 × 51,770.88
  4. Step 4: Simplify right side
    75,685.44x = 5,400,630,518.17
  5. Step 5: Solve for x
    x = 5,400,630,518.17/75,685.44
  6. Step 6: Final answer
    x = 71,356.27

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1.5x scale

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.