Home / 75,627.60-113,441.40-26,379.60

Finding the Fourth Proportional to 75,627.60, 113,441.40 and 26,379.60

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Solution

The fourth proportional to 75,627.60, 113,441.40 and 26,379.60 is: 39,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.60 : 113,441.40 = 26,379.60 : x
  2. Step 2: Convert to fraction form
    75,627.60/113,441.40 = 26,379.60/x
  3. Step 3: Cross multiply
    75,627.60x = 113,441.40 × 26,379.60
  4. Step 4: Simplify right side
    75,627.60x = 2,992,538,755.44
  5. Step 5: Solve for x
    x = 2,992,538,755.44/75,627.60
  6. Step 6: Final answer
    x = 39,569.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.