Home / 78,392.79-117,596.96-25,071.37

Finding the Fourth Proportional to 78,392.79, 117,596.96 and 25,071.37

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Solution

The fourth proportional to 78,392.79, 117,596.96 and 25,071.37 is: 37,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,392.79 : 117,596.96 = 25,071.37 : x
  2. Step 2: Convert to fraction form
    78,392.79/117,596.96 = 25,071.37/x
  3. Step 3: Cross multiply
    78,392.79x = 117,596.96 × 25,071.37
  4. Step 4: Simplify right side
    78,392.79x = 2,948,316,895.04
  5. Step 5: Solve for x
    x = 2,948,316,895.04/78,392.79
  6. Step 6: Final answer
    x = 37,609.54

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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.