Home / 52,736.21-72,776.08-28,864.41

Finding the Fourth Proportional to 52,736.21, 72,776.08 and 28,864.41

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Solution

The fourth proportional to 52,736.21, 72,776.08 and 28,864.41 is: 39,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.21 : 72,776.08 = 28,864.41 : x
  2. Step 2: Convert to fraction form
    52,736.21/72,776.08 = 28,864.41/x
  3. Step 3: Cross multiply
    52,736.21x = 72,776.08 × 28,864.41
  4. Step 4: Simplify right side
    52,736.21x = 2,100,638,611.31
  5. Step 5: Solve for x
    x = 2,100,638,611.31/52,736.21
  6. Step 6: Final answer
    x = 39,832.95

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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.