Home / 47,269.28-70,907.88-12,209.60

Finding the Fourth Proportional to 47,269.28, 70,907.88 and 12,209.60

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Solution

The fourth proportional to 47,269.28, 70,907.88 and 12,209.60 is: 18,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,269.28 : 70,907.88 = 12,209.60 : x
  2. Step 2: Convert to fraction form
    47,269.28/70,907.88 = 12,209.60/x
  3. Step 3: Cross multiply
    47,269.28x = 70,907.88 × 12,209.60
  4. Step 4: Simplify right side
    47,269.28x = 865,756,851.65
  5. Step 5: Solve for x
    x = 865,756,851.65/47,269.28
  6. Step 6: Final answer
    x = 18,315.42

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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.