Home / 66,956.31-92,399.70-38,276.59

Finding the Fourth Proportional to 66,956.31, 92,399.70 and 38,276.59

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Solution

The fourth proportional to 66,956.31, 92,399.70 and 38,276.59 is: 52,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,956.31 : 92,399.70 = 38,276.59 : x
  2. Step 2: Convert to fraction form
    66,956.31/92,399.70 = 38,276.59/x
  3. Step 3: Cross multiply
    66,956.31x = 92,399.70 × 38,276.59
  4. Step 4: Simplify right side
    66,956.31x = 3,536,745,433.02
  5. Step 5: Solve for x
    x = 3,536,745,433.02/66,956.31
  6. Step 6: Final answer
    x = 52,821.69

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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.