Home / 66,160.15-91,300.62-35,945.23

Finding the Fourth Proportional to 66,160.15, 91,300.62 and 35,945.23

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Solution

The fourth proportional to 66,160.15, 91,300.62 and 35,945.23 is: 49,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,160.15 : 91,300.62 = 35,945.23 : x
  2. Step 2: Convert to fraction form
    66,160.15/91,300.62 = 35,945.23/x
  3. Step 3: Cross multiply
    66,160.15x = 91,300.62 × 35,945.23
  4. Step 4: Simplify right side
    66,160.15x = 3,281,821,785.04
  5. Step 5: Solve for x
    x = 3,281,821,785.04/66,160.15
  6. Step 6: Final answer
    x = 49,604.21

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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.