Home / 48,860.20-73,446.90-45,393.40

Finding the Fourth Proportional to 48,860.20, 73,446.90 and 45,393.40

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Solution

The fourth proportional to 48,860.20, 73,446.90 and 45,393.40 is: 68,235.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,860.20 : 73,446.90 = 45,393.40 : x
  2. Step 2: Convert to fraction form
    48,860.20/73,446.90 = 45,393.40/x
  3. Step 3: Cross multiply
    48,860.20x = 73,446.90 × 45,393.40
  4. Step 4: Simplify right side
    48,860.20x = 3,334,004,510.46
  5. Step 5: Solve for x
    x = 3,334,004,510.46/48,860.20
  6. Step 6: Final answer
    x = 68,235.59

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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.