Home / 66,219.98-99,371.07-26,777.43

Finding the Fourth Proportional to 66,219.98, 99,371.07 and 26,777.43

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Solution

The fourth proportional to 66,219.98, 99,371.07 and 26,777.43 is: 40,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,219.98 : 99,371.07 = 26,777.43 : x
  2. Step 2: Convert to fraction form
    66,219.98/99,371.07 = 26,777.43/x
  3. Step 3: Cross multiply
    66,219.98x = 99,371.07 × 26,777.43
  4. Step 4: Simplify right side
    66,219.98x = 2,660,901,870.95
  5. Step 5: Solve for x
    x = 2,660,901,870.95/66,219.98
  6. Step 6: Final answer
    x = 40,182.77

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1.5x scale

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.