Home / 52,115.51-78,277.87-31,096.57

Finding the Fourth Proportional to 52,115.51, 78,277.87 and 31,096.57

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Solution

The fourth proportional to 52,115.51, 78,277.87 and 31,096.57 is: 46,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.51 : 78,277.87 = 31,096.57 : x
  2. Step 2: Convert to fraction form
    52,115.51/78,277.87 = 31,096.57/x
  3. Step 3: Cross multiply
    52,115.51x = 78,277.87 × 31,096.57
  4. Step 4: Simplify right side
    52,115.51x = 2,434,173,107.08
  5. Step 5: Solve for x
    x = 2,434,173,107.08/52,115.51
  6. Step 6: Final answer
    x = 46,707.27

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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.