Home / 52,709.09-72,739.43-28,835.93

Finding the Fourth Proportional to 52,709.09, 72,739.43 and 28,835.93

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Solution

The fourth proportional to 52,709.09, 72,739.43 and 28,835.93 is: 39,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,709.09 : 72,739.43 = 28,835.93 : x
  2. Step 2: Convert to fraction form
    52,709.09/72,739.43 = 28,835.93/x
  3. Step 3: Cross multiply
    52,709.09x = 72,739.43 × 28,835.93
  4. Step 4: Simplify right side
    52,709.09x = 2,097,508,967.54
  5. Step 5: Solve for x
    x = 2,097,508,967.54/52,709.09
  6. Step 6: Final answer
    x = 39,794.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.