Home / 112,393.42-168,462.96-45,749.86

Finding the Fourth Proportional to 112,393.42, 168,462.96 and 45,749.86

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Solution

The fourth proportional to 112,393.42, 168,462.96 and 45,749.86 is: 68,573.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,393.42 : 168,462.96 = 45,749.86 : x
  2. Step 2: Convert to fraction form
    112,393.42/168,462.96 = 45,749.86/x
  3. Step 3: Cross multiply
    112,393.42x = 168,462.96 × 45,749.86
  4. Step 4: Simplify right side
    112,393.42x = 7,707,156,835.19
  5. Step 5: Solve for x
    x = 7,707,156,835.19/112,393.42
  6. Step 6: Final answer
    x = 68,573.03

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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.