Home / 45,883.12-68,824.64-12,603.32

Finding the Fourth Proportional to 45,883.12, 68,824.64 and 12,603.32

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Solution

The fourth proportional to 45,883.12, 68,824.64 and 12,603.32 is: 18,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,883.12 : 68,824.64 = 12,603.32 : x
  2. Step 2: Convert to fraction form
    45,883.12/68,824.64 = 12,603.32/x
  3. Step 3: Cross multiply
    45,883.12x = 68,824.64 × 12,603.32
  4. Step 4: Simplify right side
    45,883.12x = 867,418,961.80
  5. Step 5: Solve for x
    x = 867,418,961.80/45,883.12
  6. Step 6: Final answer
    x = 18,904.97

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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.