Home / 66,000.14-91,080.51-35,785.37

Finding the Fourth Proportional to 66,000.14, 91,080.51 and 35,785.37

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Solution

The fourth proportional to 66,000.14, 91,080.51 and 35,785.37 is: 49,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.14 : 91,080.51 = 35,785.37 : x
  2. Step 2: Convert to fraction form
    66,000.14/91,080.51 = 35,785.37/x
  3. Step 3: Cross multiply
    66,000.14x = 91,080.51 × 35,785.37
  4. Step 4: Simplify right side
    66,000.14x = 3,259,349,977.84
  5. Step 5: Solve for x
    x = 3,259,349,977.84/66,000.14
  6. Step 6: Final answer
    x = 49,383.98

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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.