Home / 105,242.13-157,812.03-35,097.75

Finding the Fourth Proportional to 105,242.13, 157,812.03 and 35,097.75

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Solution

The fourth proportional to 105,242.13, 157,812.03 and 35,097.75 is: 52,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,242.13 : 157,812.03 = 35,097.75 : x
  2. Step 2: Convert to fraction form
    105,242.13/157,812.03 = 35,097.75/x
  3. Step 3: Cross multiply
    105,242.13x = 157,812.03 × 35,097.75
  4. Step 4: Simplify right side
    105,242.13x = 5,538,847,175.93
  5. Step 5: Solve for x
    x = 5,538,847,175.93/105,242.13
  6. Step 6: Final answer
    x = 52,629.56

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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.