Home / 43,707.20-65,567.28-14,119.52

Finding the Fourth Proportional to 43,707.20, 65,567.28 and 14,119.52

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Solution

The fourth proportional to 43,707.20, 65,567.28 and 14,119.52 is: 21,181.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,707.20 : 65,567.28 = 14,119.52 : x
  2. Step 2: Convert to fraction form
    43,707.20/65,567.28 = 14,119.52/x
  3. Step 3: Cross multiply
    43,707.20x = 65,567.28 × 14,119.52
  4. Step 4: Simplify right side
    43,707.20x = 925,778,521.31
  5. Step 5: Solve for x
    x = 925,778,521.31/43,707.20
  6. Step 6: Final answer
    x = 21,181.37

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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.