Home / 66,980.12-92,427.48-36,760.64

Finding the Fourth Proportional to 66,980.12, 92,427.48 and 36,760.64

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Solution

The fourth proportional to 66,980.12, 92,427.48 and 36,760.64 is: 50,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,980.12 : 92,427.48 = 36,760.64 : x
  2. Step 2: Convert to fraction form
    66,980.12/92,427.48 = 36,760.64/x
  3. Step 3: Cross multiply
    66,980.12x = 92,427.48 × 36,760.64
  4. Step 4: Simplify right side
    66,980.12x = 3,397,692,856.25
  5. Step 5: Solve for x
    x = 3,397,692,856.25/66,980.12
  6. Step 6: Final answer
    x = 50,726.89

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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.