Home / 52,791.06-79,110.81-31,739.70

Finding the Fourth Proportional to 52,791.06, 79,110.81 and 31,739.70

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Solution

The fourth proportional to 52,791.06, 79,110.81 and 31,739.70 is: 47,563.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.06 : 79,110.81 = 31,739.70 : x
  2. Step 2: Convert to fraction form
    52,791.06/79,110.81 = 31,739.70/x
  3. Step 3: Cross multiply
    52,791.06x = 79,110.81 × 31,739.70
  4. Step 4: Simplify right side
    52,791.06x = 2,510,953,376.16
  5. Step 5: Solve for x
    x = 2,510,953,376.16/52,791.06
  6. Step 6: Final answer
    x = 47,563.99

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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.