Home / 66,147.31-91,283.97-35,933.23

Finding the Fourth Proportional to 66,147.31, 91,283.97 and 35,933.23

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Solution

The fourth proportional to 66,147.31, 91,283.97 and 35,933.23 is: 49,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,147.31 : 91,283.97 = 35,933.23 : x
  2. Step 2: Convert to fraction form
    66,147.31/91,283.97 = 35,933.23/x
  3. Step 3: Cross multiply
    66,147.31x = 91,283.97 × 35,933.23
  4. Step 4: Simplify right side
    66,147.31x = 3,280,127,889.32
  5. Step 5: Solve for x
    x = 3,280,127,889.32/66,147.31
  6. Step 6: Final answer
    x = 49,588.23

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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.