Home / 45,684.36-68,360.40-37,712.75

Finding the Fourth Proportional to 45,684.36, 68,360.40 and 37,712.75

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Solution

The fourth proportional to 45,684.36, 68,360.40 and 37,712.75 is: 56,431.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,684.36 : 68,360.40 = 37,712.75 : x
  2. Step 2: Convert to fraction form
    45,684.36/68,360.40 = 37,712.75/x
  3. Step 3: Cross multiply
    45,684.36x = 68,360.40 × 37,712.75
  4. Step 4: Simplify right side
    45,684.36x = 2,578,058,333.30
  5. Step 5: Solve for x
    x = 2,578,058,333.30/45,684.36
  6. Step 6: Final answer
    x = 56,431.97

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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.