Home / 58,418.08-80,567.28-49,387.48

Finding the Fourth Proportional to 58,418.08, 80,567.28 and 49,387.48

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Solution

The fourth proportional to 58,418.08, 80,567.28 and 49,387.48 is: 68,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418.08 : 80,567.28 = 49,387.48 : x
  2. Step 2: Convert to fraction form
    58,418.08/80,567.28 = 49,387.48/x
  3. Step 3: Cross multiply
    58,418.08x = 80,567.28 × 49,387.48
  4. Step 4: Simplify right side
    58,418.08x = 3,979,014,929.65
  5. Step 5: Solve for x
    x = 3,979,014,929.65/58,418.08
  6. Step 6: Final answer
    x = 68,112.73

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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.