Home / 48,075.44-72,138.97-20,014.86

Finding the Fourth Proportional to 48,075.44, 72,138.97 and 20,014.86

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Solution

The fourth proportional to 48,075.44, 72,138.97 and 20,014.86 is: 30,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,075.44 : 72,138.97 = 20,014.86 : x
  2. Step 2: Convert to fraction form
    48,075.44/72,138.97 = 20,014.86/x
  3. Step 3: Cross multiply
    48,075.44x = 72,138.97 × 20,014.86
  4. Step 4: Simplify right side
    48,075.44x = 1,443,851,204.75
  5. Step 5: Solve for x
    x = 1,443,851,204.75/48,075.44
  6. Step 6: Final answer
    x = 30,033.03

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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.