Home / 48,206.83-72,298.43-20,127.11

Finding the Fourth Proportional to 48,206.83, 72,298.43 and 20,127.11

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Solution

The fourth proportional to 48,206.83, 72,298.43 and 20,127.11 is: 30,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,206.83 : 72,298.43 = 20,127.11 : x
  2. Step 2: Convert to fraction form
    48,206.83/72,298.43 = 20,127.11/x
  3. Step 3: Cross multiply
    48,206.83x = 72,298.43 × 20,127.11
  4. Step 4: Simplify right side
    48,206.83x = 1,455,158,453.44
  5. Step 5: Solve for x
    x = 1,455,158,453.44/48,206.83
  6. Step 6: Final answer
    x = 30,185.73

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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.