Home / 66,073.40-91,185.78-37,393.02

Finding the Fourth Proportional to 66,073.40, 91,185.78 and 37,393.02

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Solution

The fourth proportional to 66,073.40, 91,185.78 and 37,393.02 is: 51,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073.40 : 91,185.78 = 37,393.02 : x
  2. Step 2: Convert to fraction form
    66,073.40/91,185.78 = 37,393.02/x
  3. Step 3: Cross multiply
    66,073.40x = 91,185.78 × 37,393.02
  4. Step 4: Simplify right side
    66,073.40x = 3,409,711,695.26
  5. Step 5: Solve for x
    x = 3,409,711,695.26/66,073.40
  6. Step 6: Final answer
    x = 51,604.91

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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.