Home / 43,986.71-65,980.08-10,706.78

Finding the Fourth Proportional to 43,986.71, 65,980.08 and 10,706.78

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Solution

The fourth proportional to 43,986.71, 65,980.08 and 10,706.78 is: 16,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.71 : 65,980.08 = 10,706.78 : x
  2. Step 2: Convert to fraction form
    43,986.71/65,980.08 = 10,706.78/x
  3. Step 3: Cross multiply
    43,986.71x = 65,980.08 × 10,706.78
  4. Step 4: Simplify right side
    43,986.71x = 706,433,871.04
  5. Step 5: Solve for x
    x = 706,433,871.04/43,986.71
  6. Step 6: Final answer
    x = 16,060.17

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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.