Home / 92,816.64-128,087.03-50,375.16

Finding the Fourth Proportional to 92,816.64, 128,087.03 and 50,375.16

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Solution

The fourth proportional to 92,816.64, 128,087.03 and 50,375.16 is: 69,517.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,816.64 : 128,087.03 = 50,375.16 : x
  2. Step 2: Convert to fraction form
    92,816.64/128,087.03 = 50,375.16/x
  3. Step 3: Cross multiply
    92,816.64x = 128,087.03 × 50,375.16
  4. Step 4: Simplify right side
    92,816.64x = 6,452,404,756.11
  5. Step 5: Solve for x
    x = 6,452,404,756.11/92,816.64
  6. Step 6: Final answer
    x = 69,517.76

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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.