Home / 45,369.05-68,057.01-12,088.98

Finding the Fourth Proportional to 45,369.05, 68,057.01 and 12,088.98

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Solution

The fourth proportional to 45,369.05, 68,057.01 and 12,088.98 is: 18,134.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.05 : 68,057.01 = 12,088.98 : x
  2. Step 2: Convert to fraction form
    45,369.05/68,057.01 = 12,088.98/x
  3. Step 3: Cross multiply
    45,369.05x = 68,057.01 × 12,088.98
  4. Step 4: Simplify right side
    45,369.05x = 822,739,832.75
  5. Step 5: Solve for x
    x = 822,739,832.75/45,369.05
  6. Step 6: Final answer
    x = 18,134.39

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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.