Home / 43,566.04-65,361.54-13,983.16

Finding the Fourth Proportional to 43,566.04, 65,361.54 and 13,983.16

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Solution

The fourth proportional to 43,566.04, 65,361.54 and 13,983.16 is: 20,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.04 : 65,361.54 = 13,983.16 : x
  2. Step 2: Convert to fraction form
    43,566.04/65,361.54 = 13,983.16/x
  3. Step 3: Cross multiply
    43,566.04x = 65,361.54 × 13,983.16
  4. Step 4: Simplify right side
    43,566.04x = 913,960,871.67
  5. Step 5: Solve for x
    x = 913,960,871.67/43,566.04
  6. Step 6: Final answer
    x = 20,978.75

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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.