Home / 67,875.41-101,827.73-20,486.54

Finding the Fourth Proportional to 67,875.41, 101,827.73 and 20,486.54

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Solution

The fourth proportional to 67,875.41, 101,827.73 and 20,486.54 is: 30,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,875.41 : 101,827.73 = 20,486.54 : x
  2. Step 2: Convert to fraction form
    67,875.41/101,827.73 = 20,486.54/x
  3. Step 3: Cross multiply
    67,875.41x = 101,827.73 × 20,486.54
  4. Step 4: Simplify right side
    67,875.41x = 2,086,097,405.83
  5. Step 5: Solve for x
    x = 2,086,097,405.83/67,875.41
  6. Step 6: Final answer
    x = 30,734.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.