Home / 64,997.78-97,527.62-45,038.05

Finding the Fourth Proportional to 64,997.78, 97,527.62 and 45,038.05

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Solution

The fourth proportional to 64,997.78, 97,527.62 and 45,038.05 is: 67,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.78 : 97,527.62 = 45,038.05 : x
  2. Step 2: Convert to fraction form
    64,997.78/97,527.62 = 45,038.05/x
  3. Step 3: Cross multiply
    64,997.78x = 97,527.62 × 45,038.05
  4. Step 4: Simplify right side
    64,997.78x = 4,392,453,694.72
  5. Step 5: Solve for x
    x = 4,392,453,694.72/64,997.78
  6. Step 6: Final answer
    x = 67,578.52

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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.