Home / 49,854.48-74,780.76-12,917.52

Finding the Fourth Proportional to 49,854.48, 74,780.76 and 12,917.52

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Solution

The fourth proportional to 49,854.48, 74,780.76 and 12,917.52 is: 19,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,854.48 : 74,780.76 = 12,917.52 : x
  2. Step 2: Convert to fraction form
    49,854.48/74,780.76 = 12,917.52/x
  3. Step 3: Cross multiply
    49,854.48x = 74,780.76 × 12,917.52
  4. Step 4: Simplify right side
    49,854.48x = 965,981,962.92
  5. Step 5: Solve for x
    x = 965,981,962.92/49,854.48
  6. Step 6: Final answer
    x = 19,376.03

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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.