Home / 66,084.92-91,197.27-35,870.25

Finding the Fourth Proportional to 66,084.92, 91,197.27 and 35,870.25

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Solution

The fourth proportional to 66,084.92, 91,197.27 and 35,870.25 is: 49,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084.92 : 91,197.27 = 35,870.25 : x
  2. Step 2: Convert to fraction form
    66,084.92/91,197.27 = 35,870.25/x
  3. Step 3: Cross multiply
    66,084.92x = 91,197.27 × 35,870.25
  4. Step 4: Simplify right side
    66,084.92x = 3,271,268,874.22
  5. Step 5: Solve for x
    x = 3,271,268,874.22/66,084.92
  6. Step 6: Final answer
    x = 49,500.99

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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.