Home / 49,668.30-74,502.45-31,005.90

Finding the Fourth Proportional to 49,668.30, 74,502.45 and 31,005.90

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Solution

The fourth proportional to 49,668.30, 74,502.45 and 31,005.90 is: 46,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.30 : 74,502.45 = 31,005.90 : x
  2. Step 2: Convert to fraction form
    49,668.30/74,502.45 = 31,005.90/x
  3. Step 3: Cross multiply
    49,668.30x = 74,502.45 × 31,005.90
  4. Step 4: Simplify right side
    49,668.30x = 2,310,015,514.46
  5. Step 5: Solve for x
    x = 2,310,015,514.46/49,668.30
  6. Step 6: Final answer
    x = 46,508.85

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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.