Home / 45,935.10-68,902.65-40,103.10

Finding the Fourth Proportional to 45,935.10, 68,902.65 and 40,103.10

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Solution

The fourth proportional to 45,935.10, 68,902.65 and 40,103.10 is: 60,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.10 : 68,902.65 = 40,103.10 : x
  2. Step 2: Convert to fraction form
    45,935.10/68,902.65 = 40,103.10/x
  3. Step 3: Cross multiply
    45,935.10x = 68,902.65 × 40,103.10
  4. Step 4: Simplify right side
    45,935.10x = 2,763,209,863.22
  5. Step 5: Solve for x
    x = 2,763,209,863.22/45,935.10
  6. Step 6: Final answer
    x = 60,154.65

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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.