Home / 45,937.10-68,905.65-40,105.10

Finding the Fourth Proportional to 45,937.10, 68,905.65 and 40,105.10

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Solution

The fourth proportional to 45,937.10, 68,905.65 and 40,105.10 is: 60,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,937.10 : 68,905.65 = 40,105.10 : x
  2. Step 2: Convert to fraction form
    45,937.10/68,905.65 = 40,105.10/x
  3. Step 3: Cross multiply
    45,937.10x = 68,905.65 × 40,105.10
  4. Step 4: Simplify right side
    45,937.10x = 2,763,467,983.82
  5. Step 5: Solve for x
    x = 2,763,467,983.82/45,937.10
  6. Step 6: Final answer
    x = 60,157.65

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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.