Home / 75,627.63-113,441.40-31,205.54

Finding the Fourth Proportional to 75,627.63, 113,441.40 and 31,205.54

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Solution

The fourth proportional to 75,627.63, 113,441.40 and 31,205.54 is: 46,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.63 : 113,441.40 = 31,205.54 : x
  2. Step 2: Convert to fraction form
    75,627.63/113,441.40 = 31,205.54/x
  3. Step 3: Cross multiply
    75,627.63x = 113,441.40 × 31,205.54
  4. Step 4: Simplify right side
    75,627.63x = 3,539,999,578.15
  5. Step 5: Solve for x
    x = 3,539,999,578.15/75,627.63
  6. Step 6: Final answer
    x = 46,808.28

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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.