Home / 66,080.58-91,192.86-35,867.16

Finding the Fourth Proportional to 66,080.58, 91,192.86 and 35,867.16

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Solution

The fourth proportional to 66,080.58, 91,192.86 and 35,867.16 is: 49,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,080.58 : 91,192.86 = 35,867.16 : x
  2. Step 2: Convert to fraction form
    66,080.58/91,192.86 = 35,867.16/x
  3. Step 3: Cross multiply
    66,080.58x = 91,192.86 × 35,867.16
  4. Step 4: Simplify right side
    66,080.58x = 3,270,828,900.48
  5. Step 5: Solve for x
    x = 3,270,828,900.48/66,080.58
  6. Step 6: Final answer
    x = 49,497.58

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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.