Home / 53,851.72-80,771.40-14,411.91

Finding the Fourth Proportional to 53,851.72, 80,771.40 and 14,411.91

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Solution

The fourth proportional to 53,851.72, 80,771.40 and 14,411.91 is: 21,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.72 : 80,771.40 = 14,411.91 : x
  2. Step 2: Convert to fraction form
    53,851.72/80,771.40 = 14,411.91/x
  3. Step 3: Cross multiply
    53,851.72x = 80,771.40 × 14,411.91
  4. Step 4: Simplify right side
    53,851.72x = 1,164,070,147.37
  5. Step 5: Solve for x
    x = 1,164,070,147.37/53,851.72
  6. Step 6: Final answer
    x = 21,616.21

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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.