Home / 117,299.07-175,956.84-47,178.72

Finding the Fourth Proportional to 117,299.07, 175,956.84 and 47,178.72

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Solution

The fourth proportional to 117,299.07, 175,956.84 and 47,178.72 is: 70,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,299.07 : 175,956.84 = 47,178.72 : x
  2. Step 2: Convert to fraction form
    117,299.07/175,956.84 = 47,178.72/x
  3. Step 3: Cross multiply
    117,299.07x = 175,956.84 × 47,178.72
  4. Step 4: Simplify right side
    117,299.07x = 8,301,418,486.44
  5. Step 5: Solve for x
    x = 8,301,418,486.44/117,299.07
  6. Step 6: Final answer
    x = 70,771.39

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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.