Home / 81,994.09-113,152.47-46,180.75

Finding the Fourth Proportional to 81,994.09, 113,152.47 and 46,180.75

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Solution

The fourth proportional to 81,994.09, 113,152.47 and 46,180.75 is: 63,729.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,994.09 : 113,152.47 = 46,180.75 : x
  2. Step 2: Convert to fraction form
    81,994.09/113,152.47 = 46,180.75/x
  3. Step 3: Cross multiply
    81,994.09x = 113,152.47 × 46,180.75
  4. Step 4: Simplify right side
    81,994.09x = 5,225,465,928.95
  5. Step 5: Solve for x
    x = 5,225,465,928.95/81,994.09
  6. Step 6: Final answer
    x = 63,729.79

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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.