Home / 88,112.75-121,595.67-47,826.54

Finding the Fourth Proportional to 88,112.75, 121,595.67 and 47,826.54

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Solution

The fourth proportional to 88,112.75, 121,595.67 and 47,826.54 is: 66,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,112.75 : 121,595.67 = 47,826.54 : x
  2. Step 2: Convert to fraction form
    88,112.75/121,595.67 = 47,826.54/x
  3. Step 3: Cross multiply
    88,112.75x = 121,595.67 × 47,826.54
  4. Step 4: Simplify right side
    88,112.75x = 5,815,500,175.08
  5. Step 5: Solve for x
    x = 5,815,500,175.08/88,112.75
  6. Step 6: Final answer
    x = 66,000.67

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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.