Home / 75,683.90-113,525.78-35,693.55

Finding the Fourth Proportional to 75,683.90, 113,525.78 and 35,693.55

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Solution

The fourth proportional to 75,683.90, 113,525.78 and 35,693.55 is: 53,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,683.90 : 113,525.78 = 35,693.55 : x
  2. Step 2: Convert to fraction form
    75,683.90/113,525.78 = 35,693.55/x
  3. Step 3: Cross multiply
    75,683.90x = 113,525.78 × 35,693.55
  4. Step 4: Simplify right side
    75,683.90x = 4,052,137,926.25
  5. Step 5: Solve for x
    x = 4,052,137,926.25/75,683.90
  6. Step 6: Final answer
    x = 53,540.29

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1.5x scale

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.