Home / 78,351.96-117,534.66-25,051.56

Finding the Fourth Proportional to 78,351.96, 117,534.66 and 25,051.56

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Solution

The fourth proportional to 78,351.96, 117,534.66 and 25,051.56 is: 37,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,351.96 : 117,534.66 = 25,051.56 : x
  2. Step 2: Convert to fraction form
    78,351.96/117,534.66 = 25,051.56/x
  3. Step 3: Cross multiply
    78,351.96x = 117,534.66 × 25,051.56
  4. Step 4: Simplify right side
    78,351.96x = 2,944,426,587.07
  5. Step 5: Solve for x
    x = 2,944,426,587.07/78,351.96
  6. Step 6: Final answer
    x = 37,579.49

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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.