Home / 48,499.11-66,918.73-28,352.09

Finding the Fourth Proportional to 48,499.11, 66,918.73 and 28,352.09

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Solution

The fourth proportional to 48,499.11, 66,918.73 and 28,352.09 is: 39,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.11 : 66,918.73 = 28,352.09 : x
  2. Step 2: Convert to fraction form
    48,499.11/66,918.73 = 28,352.09/x
  3. Step 3: Cross multiply
    48,499.11x = 66,918.73 × 28,352.09
  4. Step 4: Simplify right side
    48,499.11x = 1,897,285,855.65
  5. Step 5: Solve for x
    x = 1,897,285,855.65/48,499.11
  6. Step 6: Final answer
    x = 39,120.01

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1.5x scale

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.