Home / 54,157.76-74,756.52-37,218.09

Finding the Fourth Proportional to 54,157.76, 74,756.52 and 37,218.09

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Solution

The fourth proportional to 54,157.76, 74,756.52 and 37,218.09 is: 51,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.76 : 74,756.52 = 37,218.09 : x
  2. Step 2: Convert to fraction form
    54,157.76/74,756.52 = 37,218.09/x
  3. Step 3: Cross multiply
    54,157.76x = 74,756.52 × 37,218.09
  4. Step 4: Simplify right side
    54,157.76x = 2,782,294,889.45
  5. Step 5: Solve for x
    x = 2,782,294,889.45/54,157.76
  6. Step 6: Final answer
    x = 51,373.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.