Home / 50,762.12-75,977.58-45,912.20

Finding the Fourth Proportional to 50,762.12, 75,977.58 and 45,912.20

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Solution

The fourth proportional to 50,762.12, 75,977.58 and 45,912.20 is: 68,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,762.12 : 75,977.58 = 45,912.20 : x
  2. Step 2: Convert to fraction form
    50,762.12/75,977.58 = 45,912.20/x
  3. Step 3: Cross multiply
    50,762.12x = 75,977.58 × 45,912.20
  4. Step 4: Simplify right side
    50,762.12x = 3,488,297,848.48
  5. Step 5: Solve for x
    x = 3,488,297,848.48/50,762.12
  6. Step 6: Final answer
    x = 68,718.52

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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.