Home / 45,890.81-68,836.21-16,309.81

Finding the Fourth Proportional to 45,890.81, 68,836.21 and 16,309.81

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Solution

The fourth proportional to 45,890.81, 68,836.21 and 16,309.81 is: 24,464.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.81 : 68,836.21 = 16,309.81 : x
  2. Step 2: Convert to fraction form
    45,890.81/68,836.21 = 16,309.81/x
  3. Step 3: Cross multiply
    45,890.81x = 68,836.21 × 16,309.81
  4. Step 4: Simplify right side
    45,890.81x = 1,122,705,643.23
  5. Step 5: Solve for x
    x = 1,122,705,643.23/45,890.81
  6. Step 6: Final answer
    x = 24,464.72

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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.