Home / 103,629.09-155,388.27-37,032.90

Finding the Fourth Proportional to 103,629.09, 155,388.27 and 37,032.90

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Solution

The fourth proportional to 103,629.09, 155,388.27 and 37,032.90 is: 55,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.09 : 155,388.27 = 37,032.90 : x
  2. Step 2: Convert to fraction form
    103,629.09/155,388.27 = 37,032.90/x
  3. Step 3: Cross multiply
    103,629.09x = 155,388.27 × 37,032.90
  4. Step 4: Simplify right side
    103,629.09x = 5,754,478,264.08
  5. Step 5: Solve for x
    x = 5,754,478,264.08/103,629.09
  6. Step 6: Final answer
    x = 55,529.56

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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.