Home / 82,021.96-113,189.93-45,722.93

Finding the Fourth Proportional to 82,021.96, 113,189.93 and 45,722.93

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Solution

The fourth proportional to 82,021.96, 113,189.93 and 45,722.93 is: 63,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,021.96 : 113,189.93 = 45,722.93 : x
  2. Step 2: Convert to fraction form
    82,021.96/113,189.93 = 45,722.93/x
  3. Step 3: Cross multiply
    82,021.96x = 113,189.93 × 45,722.93
  4. Step 4: Simplify right side
    82,021.96x = 5,175,374,451.53
  5. Step 5: Solve for x
    x = 5,175,374,451.53/82,021.96
  6. Step 6: Final answer
    x = 63,097.43

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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.