Home / 66,938.08-92,374.08-36,722.56

Finding the Fourth Proportional to 66,938.08, 92,374.08 and 36,722.56

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Solution

The fourth proportional to 66,938.08, 92,374.08 and 36,722.56 is: 50,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,938.08 : 92,374.08 = 36,722.56 : x
  2. Step 2: Convert to fraction form
    66,938.08/92,374.08 = 36,722.56/x
  3. Step 3: Cross multiply
    66,938.08x = 92,374.08 × 36,722.56
  4. Step 4: Simplify right side
    66,938.08x = 3,392,212,695.24
  5. Step 5: Solve for x
    x = 3,392,212,695.24/66,938.08
  6. Step 6: Final answer
    x = 50,676.87

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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.