Home / 52,850.82-72,933.48-28,977.51

Finding the Fourth Proportional to 52,850.82, 72,933.48 and 28,977.51

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Solution

The fourth proportional to 52,850.82, 72,933.48 and 28,977.51 is: 39,988.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,850.82 : 72,933.48 = 28,977.51 : x
  2. Step 2: Convert to fraction form
    52,850.82/72,933.48 = 28,977.51/x
  3. Step 3: Cross multiply
    52,850.82x = 72,933.48 × 28,977.51
  4. Step 4: Simplify right side
    52,850.82x = 2,113,430,646.03
  5. Step 5: Solve for x
    x = 2,113,430,646.03/52,850.82
  6. Step 6: Final answer
    x = 39,988.61

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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.