Home / 81,948.12-113,091.44-45,652.83

Finding the Fourth Proportional to 81,948.12, 113,091.44 and 45,652.83

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Solution

The fourth proportional to 81,948.12, 113,091.44 and 45,652.83 is: 63,002.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,948.12 : 113,091.44 = 45,652.83 : x
  2. Step 2: Convert to fraction form
    81,948.12/113,091.44 = 45,652.83/x
  3. Step 3: Cross multiply
    81,948.12x = 113,091.44 × 45,652.83
  4. Step 4: Simplify right side
    81,948.12x = 5,162,944,056.51
  5. Step 5: Solve for x
    x = 5,162,944,056.51/81,948.12
  6. Step 6: Final answer
    x = 63,002.59

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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.