Home / 103,025.70-154,538.55-50,408.10

Finding the Fourth Proportional to 103,025.70, 154,538.55 and 50,408.10

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Solution

The fourth proportional to 103,025.70, 154,538.55 and 50,408.10 is: 75,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,025.70 : 154,538.55 = 50,408.10 : x
  2. Step 2: Convert to fraction form
    103,025.70/154,538.55 = 50,408.10/x
  3. Step 3: Cross multiply
    103,025.70x = 154,538.55 × 50,408.10
  4. Step 4: Simplify right side
    103,025.70x = 7,789,994,682.26
  5. Step 5: Solve for x
    x = 7,789,994,682.26/103,025.70
  6. Step 6: Final answer
    x = 75,612.15

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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.