Home / 112,494.55-168,741.83-45,057.21

Finding the Fourth Proportional to 112,494.55, 168,741.83 and 45,057.21

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Solution

The fourth proportional to 112,494.55, 168,741.83 and 45,057.21 is: 67,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,494.55 : 168,741.83 = 45,057.21 : x
  2. Step 2: Convert to fraction form
    112,494.55/168,741.83 = 45,057.21/x
  3. Step 3: Cross multiply
    112,494.55x = 168,741.83 × 45,057.21
  4. Step 4: Simplify right side
    112,494.55x = 7,603,035,549.96
  5. Step 5: Solve for x
    x = 7,603,035,549.96/112,494.55
  6. Step 6: Final answer
    x = 67,585.81

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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.