Home / 47,328.05-70,992-12,267.74

Finding the Fourth Proportional to 47,328.05, 70,992 and 12,267.74

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Solution

The fourth proportional to 47,328.05, 70,992 and 12,267.74 is: 18,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,328.05 : 70,992 = 12,267.74 : x
  2. Step 2: Convert to fraction form
    47,328.05/70,992 = 12,267.74/x
  3. Step 3: Cross multiply
    47,328.05x = 70,992 × 12,267.74
  4. Step 4: Simplify right side
    47,328.05x = 870,911,043.12
  5. Step 5: Solve for x
    x = 870,911,043.12/47,328.05
  6. Step 6: Final answer
    x = 18,401.59

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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.