Home / 66,375.11-91,597.28-36,160.36

Finding the Fourth Proportional to 66,375.11, 91,597.28 and 36,160.36

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Solution

The fourth proportional to 66,375.11, 91,597.28 and 36,160.36 is: 49,901.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,375.11 : 91,597.28 = 36,160.36 : x
  2. Step 2: Convert to fraction form
    66,375.11/91,597.28 = 36,160.36/x
  3. Step 3: Cross multiply
    66,375.11x = 91,597.28 × 36,160.36
  4. Step 4: Simplify right side
    66,375.11x = 3,312,190,161.83
  5. Step 5: Solve for x
    x = 3,312,190,161.83/66,375.11
  6. Step 6: Final answer
    x = 49,901.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.