Home / 68,145.10-94,050.32-40,923.02

Finding the Fourth Proportional to 68,145.10, 94,050.32 and 40,923.02

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Solution

The fourth proportional to 68,145.10, 94,050.32 and 40,923.02 is: 56,479.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,145.10 : 94,050.32 = 40,923.02 : x
  2. Step 2: Convert to fraction form
    68,145.10/94,050.32 = 40,923.02/x
  3. Step 3: Cross multiply
    68,145.10x = 94,050.32 × 40,923.02
  4. Step 4: Simplify right side
    68,145.10x = 3,848,823,156.88
  5. Step 5: Solve for x
    x = 3,848,823,156.88/68,145.10
  6. Step 6: Final answer
    x = 56,479.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.