Home / 66,074.58-91,186.59-37,395.72

Finding the Fourth Proportional to 66,074.58, 91,186.59 and 37,395.72

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Solution

The fourth proportional to 66,074.58, 91,186.59 and 37,395.72 is: 51,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,074.58 : 91,186.59 = 37,395.72 : x
  2. Step 2: Convert to fraction form
    66,074.58/91,186.59 = 37,395.72/x
  3. Step 3: Cross multiply
    66,074.58x = 91,186.59 × 37,395.72
  4. Step 4: Simplify right side
    66,074.58x = 3,409,988,187.39
  5. Step 5: Solve for x
    x = 3,409,988,187.39/66,074.58
  6. Step 6: Final answer
    x = 51,608.17

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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.