Home / 43,428.96-65,153.16-17,133.12

Finding the Fourth Proportional to 43,428.96, 65,153.16 and 17,133.12

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Solution

The fourth proportional to 43,428.96, 65,153.16 and 17,133.12 is: 25,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,428.96 : 65,153.16 = 17,133.12 : x
  2. Step 2: Convert to fraction form
    43,428.96/65,153.16 = 17,133.12/x
  3. Step 3: Cross multiply
    43,428.96x = 65,153.16 × 17,133.12
  4. Step 4: Simplify right side
    43,428.96x = 1,116,276,908.66
  5. Step 5: Solve for x
    x = 1,116,276,908.66/43,428.96
  6. Step 6: Final answer
    x = 25,703.51

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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.