Home / 65,414.26-90,272.64-36,740.14

Finding the Fourth Proportional to 65,414.26, 90,272.64 and 36,740.14

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Solution

The fourth proportional to 65,414.26, 90,272.64 and 36,740.14 is: 50,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414.26 : 90,272.64 = 36,740.14 : x
  2. Step 2: Convert to fraction form
    65,414.26/90,272.64 = 36,740.14/x
  3. Step 3: Cross multiply
    65,414.26x = 90,272.64 × 36,740.14
  4. Step 4: Simplify right side
    65,414.26x = 3,316,629,431.77
  5. Step 5: Solve for x
    x = 3,316,629,431.77/65,414.26
  6. Step 6: Final answer
    x = 50,701.93

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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.