Home / 45,415.15-68,119.92-16,946.56

Finding the Fourth Proportional to 45,415.15, 68,119.92 and 16,946.56

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Solution

The fourth proportional to 45,415.15, 68,119.92 and 16,946.56 is: 25,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.15 : 68,119.92 = 16,946.56 : x
  2. Step 2: Convert to fraction form
    45,415.15/68,119.92 = 16,946.56/x
  3. Step 3: Cross multiply
    45,415.15x = 68,119.92 × 16,946.56
  4. Step 4: Simplify right side
    45,415.15x = 1,154,398,396.63
  5. Step 5: Solve for x
    x = 1,154,398,396.63/45,415.15
  6. Step 6: Final answer
    x = 25,418.80

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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.