Home / 66,190.80-99,304.72-26,775.58

Finding the Fourth Proportional to 66,190.80, 99,304.72 and 26,775.58

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Solution

The fourth proportional to 66,190.80, 99,304.72 and 26,775.58 is: 40,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.80 : 99,304.72 = 26,775.58 : x
  2. Step 2: Convert to fraction form
    66,190.80/99,304.72 = 26,775.58/x
  3. Step 3: Cross multiply
    66,190.80x = 99,304.72 × 26,775.58
  4. Step 4: Simplify right side
    66,190.80x = 2,658,941,474.74
  5. Step 5: Solve for x
    x = 2,658,941,474.74/66,190.80
  6. Step 6: Final answer
    x = 40,170.86

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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.