Home / 66,840.48-92,236.32-36,619.92

Finding the Fourth Proportional to 66,840.48, 92,236.32 and 36,619.92

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Solution

The fourth proportional to 66,840.48, 92,236.32 and 36,619.92 is: 50,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,840.48 : 92,236.32 = 36,619.92 : x
  2. Step 2: Convert to fraction form
    66,840.48/92,236.32 = 36,619.92/x
  3. Step 3: Cross multiply
    66,840.48x = 92,236.32 × 36,619.92
  4. Step 4: Simplify right side
    66,840.48x = 3,377,686,659.49
  5. Step 5: Solve for x
    x = 3,377,686,659.49/66,840.48
  6. Step 6: Final answer
    x = 50,533.55

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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.