Home / 66,986.64-92,442.78-36,774.81

Finding the Fourth Proportional to 66,986.64, 92,442.78 and 36,774.81

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Solution

The fourth proportional to 66,986.64, 92,442.78 and 36,774.81 is: 50,749.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,986.64 : 92,442.78 = 36,774.81 : x
  2. Step 2: Convert to fraction form
    66,986.64/92,442.78 = 36,774.81/x
  3. Step 3: Cross multiply
    66,986.64x = 92,442.78 × 36,774.81
  4. Step 4: Simplify right side
    66,986.64x = 3,399,565,670.37
  5. Step 5: Solve for x
    x = 3,399,565,670.37/66,986.64
  6. Step 6: Final answer
    x = 50,749.91

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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.