Home / 103,629.05-155,443.58-37,071.35

Finding the Fourth Proportional to 103,629.05, 155,443.58 and 37,071.35

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Solution

The fourth proportional to 103,629.05, 155,443.58 and 37,071.35 is: 55,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.05 : 155,443.58 = 37,071.35 : x
  2. Step 2: Convert to fraction form
    103,629.05/155,443.58 = 37,071.35/x
  3. Step 3: Cross multiply
    103,629.05x = 155,443.58 × 37,071.35
  4. Step 4: Simplify right side
    103,629.05x = 5,762,503,359.43
  5. Step 5: Solve for x
    x = 5,762,503,359.43/103,629.05
  6. Step 6: Final answer
    x = 55,607.03

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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.