Home / 53,930.61-80,890.45-14,482.60

Finding the Fourth Proportional to 53,930.61, 80,890.45 and 14,482.60

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Solution

The fourth proportional to 53,930.61, 80,890.45 and 14,482.60 is: 21,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,930.61 : 80,890.45 = 14,482.60 : x
  2. Step 2: Convert to fraction form
    53,930.61/80,890.45 = 14,482.60/x
  3. Step 3: Cross multiply
    53,930.61x = 80,890.45 × 14,482.60
  4. Step 4: Simplify right side
    53,930.61x = 1,171,503,792.74
  5. Step 5: Solve for x
    x = 1,171,503,792.74/53,930.61
  6. Step 6: Final answer
    x = 21,722.43

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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.