Home / 103,629.12-155,484.96-41,343.36

Finding the Fourth Proportional to 103,629.12, 155,484.96 and 41,343.36

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Solution

The fourth proportional to 103,629.12, 155,484.96 and 41,343.36 is: 62,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.12 : 155,484.96 = 41,343.36 : x
  2. Step 2: Convert to fraction form
    103,629.12/155,484.96 = 41,343.36/x
  3. Step 3: Cross multiply
    103,629.12x = 155,484.96 × 41,343.36
  4. Step 4: Simplify right side
    103,629.12x = 6,428,270,675.87
  5. Step 5: Solve for x
    x = 6,428,270,675.87/103,629.12
  6. Step 6: Final answer
    x = 62,031.51

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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.