Home / 75,620.25-104,357.77-45,406.85

Finding the Fourth Proportional to 75,620.25, 104,357.77 and 45,406.85

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Solution

The fourth proportional to 75,620.25, 104,357.77 and 45,406.85 is: 62,662.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,620.25 : 104,357.77 = 45,406.85 : x
  2. Step 2: Convert to fraction form
    75,620.25/104,357.77 = 45,406.85/x
  3. Step 3: Cross multiply
    75,620.25x = 104,357.77 × 45,406.85
  4. Step 4: Simplify right side
    75,620.25x = 4,738,556,973.42
  5. Step 5: Solve for x
    x = 4,738,556,973.42/75,620.25
  6. Step 6: Final answer
    x = 62,662.54

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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.