Home / 66,909.24-92,308.41-38,609.46

Finding the Fourth Proportional to 66,909.24, 92,308.41 and 38,609.46

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Solution

The fourth proportional to 66,909.24, 92,308.41 and 38,609.46 is: 53,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.24 : 92,308.41 = 38,609.46 : x
  2. Step 2: Convert to fraction form
    66,909.24/92,308.41 = 38,609.46/x
  3. Step 3: Cross multiply
    66,909.24x = 92,308.41 × 38,609.46
  4. Step 4: Simplify right side
    66,909.24x = 3,563,977,863.56
  5. Step 5: Solve for x
    x = 3,563,977,863.56/66,909.24
  6. Step 6: Final answer
    x = 53,265.85

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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.