Home / 48,756.80-73,135.20-40,883.60

Finding the Fourth Proportional to 48,756.80, 73,135.20 and 40,883.60

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Solution

The fourth proportional to 48,756.80, 73,135.20 and 40,883.60 is: 61,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.80 : 73,135.20 = 40,883.60 : x
  2. Step 2: Convert to fraction form
    48,756.80/73,135.20 = 40,883.60/x
  3. Step 3: Cross multiply
    48,756.80x = 73,135.20 × 40,883.60
  4. Step 4: Simplify right side
    48,756.80x = 2,990,030,262.72
  5. Step 5: Solve for x
    x = 2,990,030,262.72/48,756.80
  6. Step 6: Final answer
    x = 61,325.40

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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.