Home / 49,405.76-74,110.69-14,345.42

Finding the Fourth Proportional to 49,405.76, 74,110.69 and 14,345.42

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Solution

The fourth proportional to 49,405.76, 74,110.69 and 14,345.42 is: 21,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.76 : 74,110.69 = 14,345.42 : x
  2. Step 2: Convert to fraction form
    49,405.76/74,110.69 = 14,345.42/x
  3. Step 3: Cross multiply
    49,405.76x = 74,110.69 × 14,345.42
  4. Step 4: Simplify right side
    49,405.76x = 1,063,149,010.40
  5. Step 5: Solve for x
    x = 1,063,149,010.40/49,405.76
  6. Step 6: Final answer
    x = 21,518.73

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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.