Home / 47,688.90-65,811.49-26,180.67

Finding the Fourth Proportional to 47,688.90, 65,811.49 and 26,180.67

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Solution

The fourth proportional to 47,688.90, 65,811.49 and 26,180.67 is: 36,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.90 : 65,811.49 = 26,180.67 : x
  2. Step 2: Convert to fraction form
    47,688.90/65,811.49 = 26,180.67/x
  3. Step 3: Cross multiply
    47,688.90x = 65,811.49 × 26,180.67
  4. Step 4: Simplify right side
    47,688.90x = 1,722,988,713.05
  5. Step 5: Solve for x
    x = 1,722,988,713.05/47,688.90
  6. Step 6: Final answer
    x = 36,129.76

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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.