Home / 48,127.76-72,203.94-18,537.65

Finding the Fourth Proportional to 48,127.76, 72,203.94 and 18,537.65

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Solution

The fourth proportional to 48,127.76, 72,203.94 and 18,537.65 is: 27,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,127.76 : 72,203.94 = 18,537.65 : x
  2. Step 2: Convert to fraction form
    48,127.76/72,203.94 = 18,537.65/x
  3. Step 3: Cross multiply
    48,127.76x = 72,203.94 × 18,537.65
  4. Step 4: Simplify right side
    48,127.76x = 1,338,491,368.34
  5. Step 5: Solve for x
    x = 1,338,491,368.34/48,127.76
  6. Step 6: Final answer
    x = 27,811.21

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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.