Home / 47,161.78-65,076.10-26,742.72

Finding the Fourth Proportional to 47,161.78, 65,076.10 and 26,742.72

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Solution

The fourth proportional to 47,161.78, 65,076.10 and 26,742.72 is: 36,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,161.78 : 65,076.10 = 26,742.72 : x
  2. Step 2: Convert to fraction form
    47,161.78/65,076.10 = 26,742.72/x
  3. Step 3: Cross multiply
    47,161.78x = 65,076.10 × 26,742.72
  4. Step 4: Simplify right side
    47,161.78x = 1,740,311,920.99
  5. Step 5: Solve for x
    x = 1,740,311,920.99/47,161.78
  6. Step 6: Final answer
    x = 36,900.90

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1.5x scale

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.