Home / 75,820.44-104,632.42-42,288.60

Finding the Fourth Proportional to 75,820.44, 104,632.42 and 42,288.60

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Solution

The fourth proportional to 75,820.44, 104,632.42 and 42,288.60 is: 58,358.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,820.44 : 104,632.42 = 42,288.60 : x
  2. Step 2: Convert to fraction form
    75,820.44/104,632.42 = 42,288.60/x
  3. Step 3: Cross multiply
    75,820.44x = 104,632.42 × 42,288.60
  4. Step 4: Simplify right side
    75,820.44x = 4,424,758,556.41
  5. Step 5: Solve for x
    x = 4,424,758,556.41/75,820.44
  6. Step 6: Final answer
    x = 58,358.39

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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.