Home / 65,936.40-90,942.60-45,793.32

Finding the Fourth Proportional to 65,936.40, 90,942.60 and 45,793.32

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Solution

The fourth proportional to 65,936.40, 90,942.60 and 45,793.32 is: 63,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,936.40 : 90,942.60 = 45,793.32 : x
  2. Step 2: Convert to fraction form
    65,936.40/90,942.60 = 45,793.32/x
  3. Step 3: Cross multiply
    65,936.40x = 90,942.60 × 45,793.32
  4. Step 4: Simplify right side
    65,936.40x = 4,164,563,583.43
  5. Step 5: Solve for x
    x = 4,164,563,583.43/65,936.40
  6. Step 6: Final answer
    x = 63,160.31

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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.