Home / 112,429.90-168,691.55-49,217.48

Finding the Fourth Proportional to 112,429.90, 168,691.55 and 49,217.48

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Solution

The fourth proportional to 112,429.90, 168,691.55 and 49,217.48 is: 73,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,429.90 : 168,691.55 = 49,217.48 : x
  2. Step 2: Convert to fraction form
    112,429.90/168,691.55 = 49,217.48/x
  3. Step 3: Cross multiply
    112,429.90x = 168,691.55 × 49,217.48
  4. Step 4: Simplify right side
    112,429.90x = 8,302,573,421.06
  5. Step 5: Solve for x
    x = 8,302,573,421.06/112,429.90
  6. Step 6: Final answer
    x = 73,846.67

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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.