Home / 75,880.36-113,845.98-47,767.72

Finding the Fourth Proportional to 75,880.36, 113,845.98 and 47,767.72

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Solution

The fourth proportional to 75,880.36, 113,845.98 and 47,767.72 is: 71,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,880.36 : 113,845.98 = 47,767.72 : x
  2. Step 2: Convert to fraction form
    75,880.36/113,845.98 = 47,767.72/x
  3. Step 3: Cross multiply
    75,880.36x = 113,845.98 × 47,767.72
  4. Step 4: Simplify right side
    75,880.36x = 5,438,162,895.77
  5. Step 5: Solve for x
    x = 5,438,162,895.77/75,880.36
  6. Step 6: Final answer
    x = 71,667.59

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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.