Home / 80,148.36-110,604.09-47,897.67

Finding the Fourth Proportional to 80,148.36, 110,604.09 and 47,897.67

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Solution

The fourth proportional to 80,148.36, 110,604.09 and 47,897.67 is: 66,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,148.36 : 110,604.09 = 47,897.67 : x
  2. Step 2: Convert to fraction form
    80,148.36/110,604.09 = 47,897.67/x
  3. Step 3: Cross multiply
    80,148.36x = 110,604.09 × 47,897.67
  4. Step 4: Simplify right side
    80,148.36x = 5,297,678,203.47
  5. Step 5: Solve for x
    x = 5,297,678,203.47/80,148.36
  6. Step 6: Final answer
    x = 66,098.40

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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.