Home / 49,739.18-74,514.87-38,513.79

Finding the Fourth Proportional to 49,739.18, 74,514.87 and 38,513.79

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Solution

The fourth proportional to 49,739.18, 74,514.87 and 38,513.79 is: 57,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.18 : 74,514.87 = 38,513.79 : x
  2. Step 2: Convert to fraction form
    49,739.18/74,514.87 = 38,513.79/x
  3. Step 3: Cross multiply
    49,739.18x = 74,514.87 × 38,513.79
  4. Step 4: Simplify right side
    49,739.18x = 2,869,850,055.06
  5. Step 5: Solve for x
    x = 2,869,850,055.06/49,739.18
  6. Step 6: Final answer
    x = 57,697.98

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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.