Home / 45,264.15-67,899.54-11,983.98

Finding the Fourth Proportional to 45,264.15, 67,899.54 and 11,983.98

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Solution

The fourth proportional to 45,264.15, 67,899.54 and 11,983.98 is: 17,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,264.15 : 67,899.54 = 11,983.98 : x
  2. Step 2: Convert to fraction form
    45,264.15/67,899.54 = 11,983.98/x
  3. Step 3: Cross multiply
    45,264.15x = 67,899.54 × 11,983.98
  4. Step 4: Simplify right side
    45,264.15x = 813,706,729.37
  5. Step 5: Solve for x
    x = 813,706,729.37/45,264.15
  6. Step 6: Final answer
    x = 17,976.85

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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.