Home / 97,456.47-134,488.48-54,436.56

Finding the Fourth Proportional to 97,456.47, 134,488.48 and 54,436.56

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Solution

The fourth proportional to 97,456.47, 134,488.48 and 54,436.56 is: 75,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,456.47 : 134,488.48 = 54,436.56 : x
  2. Step 2: Convert to fraction form
    97,456.47/134,488.48 = 54,436.56/x
  3. Step 3: Cross multiply
    97,456.47x = 134,488.48 × 54,436.56
  4. Step 4: Simplify right side
    97,456.47x = 7,321,089,519.37
  5. Step 5: Solve for x
    x = 7,321,089,519.37/97,456.47
  6. Step 6: Final answer
    x = 75,121.64

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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.