Home / 45,488.39-68,239.89-19,197.02

Finding the Fourth Proportional to 45,488.39, 68,239.89 and 19,197.02

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Solution

The fourth proportional to 45,488.39, 68,239.89 and 19,197.02 is: 28,798.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.39 : 68,239.89 = 19,197.02 : x
  2. Step 2: Convert to fraction form
    45,488.39/68,239.89 = 19,197.02/x
  3. Step 3: Cross multiply
    45,488.39x = 68,239.89 × 19,197.02
  4. Step 4: Simplify right side
    45,488.39x = 1,310,002,533.13
  5. Step 5: Solve for x
    x = 1,310,002,533.13/45,488.39
  6. Step 6: Final answer
    x = 28,798.61

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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.