Home / 35,128.13-52,685.75-10,162.04

Finding the Fourth Proportional to 35,128.13, 52,685.75 and 10,162.04

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Solution

The fourth proportional to 35,128.13, 52,685.75 and 10,162.04 is: 15,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.13 : 52,685.75 = 10,162.04 : x
  2. Step 2: Convert to fraction form
    35,128.13/52,685.75 = 10,162.04/x
  3. Step 3: Cross multiply
    35,128.13x = 52,685.75 × 10,162.04
  4. Step 4: Simplify right side
    35,128.13x = 535,394,460.91
  5. Step 5: Solve for x
    x = 535,394,460.91/35,128.13
  6. Step 6: Final answer
    x = 15,241.19

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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.