Home / 50,415.70-75,623.55-28,297.30

Finding the Fourth Proportional to 50,415.70, 75,623.55 and 28,297.30

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Solution

The fourth proportional to 50,415.70, 75,623.55 and 28,297.30 is: 42,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.70 : 75,623.55 = 28,297.30 : x
  2. Step 2: Convert to fraction form
    50,415.70/75,623.55 = 28,297.30/x
  3. Step 3: Cross multiply
    50,415.70x = 75,623.55 × 28,297.30
  4. Step 4: Simplify right side
    50,415.70x = 2,139,942,281.42
  5. Step 5: Solve for x
    x = 2,139,942,281.42/50,415.70
  6. Step 6: Final answer
    x = 42,445.95

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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.