Home / 75,610.68-104,324.90-63,556.98

Finding the Fourth Proportional to 75,610.68, 104,324.90 and 63,556.98

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Solution

The fourth proportional to 75,610.68, 104,324.90 and 63,556.98 is: 87,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.68 : 104,324.90 = 63,556.98 : x
  2. Step 2: Convert to fraction form
    75,610.68/104,324.90 = 63,556.98/x
  3. Step 3: Cross multiply
    75,610.68x = 104,324.90 × 63,556.98
  4. Step 4: Simplify right side
    75,610.68x = 6,630,575,582.80
  5. Step 5: Solve for x
    x = 6,630,575,582.80/75,610.68
  6. Step 6: Final answer
    x = 87,693.64

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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.