Home / 81,998.40-113,149.44-46,182.72

Finding the Fourth Proportional to 81,998.40, 113,149.44 and 46,182.72

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Solution

The fourth proportional to 81,998.40, 113,149.44 and 46,182.72 is: 63,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,998.40 : 113,149.44 = 46,182.72 : x
  2. Step 2: Convert to fraction form
    81,998.40/113,149.44 = 46,182.72/x
  3. Step 3: Cross multiply
    81,998.40x = 113,149.44 × 46,182.72
  4. Step 4: Simplify right side
    81,998.40x = 5,225,548,905.68
  5. Step 5: Solve for x
    x = 5,225,548,905.68/81,998.40
  6. Step 6: Final answer
    x = 63,727.45

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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.