Home / 78,094.20-117,123.74-35,933.84

Finding the Fourth Proportional to 78,094.20, 117,123.74 and 35,933.84

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Solution

The fourth proportional to 78,094.20, 117,123.74 and 35,933.84 is: 53,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.20 : 117,123.74 = 35,933.84 : x
  2. Step 2: Convert to fraction form
    78,094.20/117,123.74 = 35,933.84/x
  3. Step 3: Cross multiply
    78,094.20x = 117,123.74 × 35,933.84
  4. Step 4: Simplify right side
    78,094.20x = 4,208,705,733.36
  5. Step 5: Solve for x
    x = 4,208,705,733.36/78,094.20
  6. Step 6: Final answer
    x = 53,892.68

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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.