Home / 52,808.32-72,875.44-28,936.48

Finding the Fourth Proportional to 52,808.32, 72,875.44 and 28,936.48

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Solution

The fourth proportional to 52,808.32, 72,875.44 and 28,936.48 is: 39,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,808.32 : 72,875.44 = 28,936.48 : x
  2. Step 2: Convert to fraction form
    52,808.32/72,875.44 = 28,936.48/x
  3. Step 3: Cross multiply
    52,808.32x = 72,875.44 × 28,936.48
  4. Step 4: Simplify right side
    52,808.32x = 2,108,758,712.05
  5. Step 5: Solve for x
    x = 2,108,758,712.05/52,808.32
  6. Step 6: Final answer
    x = 39,932.32

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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.