Home / 52,791.95-72,852.91-28,919.48

Finding the Fourth Proportional to 52,791.95, 72,852.91 and 28,919.48

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Solution

The fourth proportional to 52,791.95, 72,852.91 and 28,919.48 is: 39,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.95 : 72,852.91 = 28,919.48 : x
  2. Step 2: Convert to fraction form
    52,791.95/72,852.91 = 28,919.48/x
  3. Step 3: Cross multiply
    52,791.95x = 72,852.91 × 28,919.48
  4. Step 4: Simplify right side
    52,791.95x = 2,106,867,837.12
  5. Step 5: Solve for x
    x = 2,106,867,837.12/52,791.95
  6. Step 6: Final answer
    x = 39,908.88

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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.