Home / 53,957.14-80,972.07-18,897.10

Finding the Fourth Proportional to 53,957.14, 80,972.07 and 18,897.10

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Solution

The fourth proportional to 53,957.14, 80,972.07 and 18,897.10 is: 28,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,957.14 : 80,972.07 = 18,897.10 : x
  2. Step 2: Convert to fraction form
    53,957.14/80,972.07 = 18,897.10/x
  3. Step 3: Cross multiply
    53,957.14x = 80,972.07 × 18,897.10
  4. Step 4: Simplify right side
    53,957.14x = 1,530,137,304.00
  5. Step 5: Solve for x
    x = 1,530,137,304.00/53,957.14
  6. Step 6: Final answer
    x = 28,358.38

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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.