Home / 53,880.40-80,820.60-14,436.52

Finding the Fourth Proportional to 53,880.40, 80,820.60 and 14,436.52

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Solution

The fourth proportional to 53,880.40, 80,820.60 and 14,436.52 is: 21,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,880.40 : 80,820.60 = 14,436.52 : x
  2. Step 2: Convert to fraction form
    53,880.40/80,820.60 = 14,436.52/x
  3. Step 3: Cross multiply
    53,880.40x = 80,820.60 × 14,436.52
  4. Step 4: Simplify right side
    53,880.40x = 1,166,768,208.31
  5. Step 5: Solve for x
    x = 1,166,768,208.31/53,880.40
  6. Step 6: Final answer
    x = 21,654.78

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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.