Home / 55,417.21-83,049.20-48,003.28

Finding the Fourth Proportional to 55,417.21, 83,049.20 and 48,003.28

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Solution

The fourth proportional to 55,417.21, 83,049.20 and 48,003.28 is: 71,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,417.21 : 83,049.20 = 48,003.28 : x
  2. Step 2: Convert to fraction form
    55,417.21/83,049.20 = 48,003.28/x
  3. Step 3: Cross multiply
    55,417.21x = 83,049.20 × 48,003.28
  4. Step 4: Simplify right side
    55,417.21x = 3,986,634,200.90
  5. Step 5: Solve for x
    x = 3,986,634,200.90/55,417.21
  6. Step 6: Final answer
    x = 71,938.55

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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.