Home / 43,970.49-65,954.84-10,690.74

Finding the Fourth Proportional to 43,970.49, 65,954.84 and 10,690.74

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Solution

The fourth proportional to 43,970.49, 65,954.84 and 10,690.74 is: 16,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,970.49 : 65,954.84 = 10,690.74 : x
  2. Step 2: Convert to fraction form
    43,970.49/65,954.84 = 10,690.74/x
  3. Step 3: Cross multiply
    43,970.49x = 65,954.84 × 10,690.74
  4. Step 4: Simplify right side
    43,970.49x = 705,105,992.73
  5. Step 5: Solve for x
    x = 705,105,992.73/43,970.49
  6. Step 6: Final answer
    x = 16,035.89

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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.