Home / 103,629.90-155,438.46-37,066.80

Finding the Fourth Proportional to 103,629.90, 155,438.46 and 37,066.80

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Solution

The fourth proportional to 103,629.90, 155,438.46 and 37,066.80 is: 55,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.90 : 155,438.46 = 37,066.80 : x
  2. Step 2: Convert to fraction form
    103,629.90/155,438.46 = 37,066.80/x
  3. Step 3: Cross multiply
    103,629.90x = 155,438.46 × 37,066.80
  4. Step 4: Simplify right side
    103,629.90x = 5,761,606,309.13
  5. Step 5: Solve for x
    x = 5,761,606,309.13/103,629.90
  6. Step 6: Final answer
    x = 55,597.91

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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.