Home / 43,903.53-65,870.08-13,922.66

Finding the Fourth Proportional to 43,903.53, 65,870.08 and 13,922.66

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Solution

The fourth proportional to 43,903.53, 65,870.08 and 13,922.66 is: 20,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,903.53 : 65,870.08 = 13,922.66 : x
  2. Step 2: Convert to fraction form
    43,903.53/65,870.08 = 13,922.66/x
  3. Step 3: Cross multiply
    43,903.53x = 65,870.08 × 13,922.66
  4. Step 4: Simplify right side
    43,903.53x = 917,086,857.88
  5. Step 5: Solve for x
    x = 917,086,857.88/43,903.53
  6. Step 6: Final answer
    x = 20,888.68

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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.