Home / 76,013.96-114,019.02-20,608.52

Finding the Fourth Proportional to 76,013.96, 114,019.02 and 20,608.52

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Solution

The fourth proportional to 76,013.96, 114,019.02 and 20,608.52 is: 30,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,013.96 : 114,019.02 = 20,608.52 : x
  2. Step 2: Convert to fraction form
    76,013.96/114,019.02 = 20,608.52/x
  3. Step 3: Cross multiply
    76,013.96x = 114,019.02 × 20,608.52
  4. Step 4: Simplify right side
    76,013.96x = 2,349,763,254.05
  5. Step 5: Solve for x
    x = 2,349,763,254.05/76,013.96
  6. Step 6: Final answer
    x = 30,912.26

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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.