Home / 103,640.51-155,460.73-37,076.60

Finding the Fourth Proportional to 103,640.51, 155,460.73 and 37,076.60

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Solution

The fourth proportional to 103,640.51, 155,460.73 and 37,076.60 is: 55,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.51 : 155,460.73 = 37,076.60 : x
  2. Step 2: Convert to fraction form
    103,640.51/155,460.73 = 37,076.60/x
  3. Step 3: Cross multiply
    103,640.51x = 155,460.73 × 37,076.60
  4. Step 4: Simplify right side
    103,640.51x = 5,763,955,301.92
  5. Step 5: Solve for x
    x = 5,763,955,301.92/103,640.51
  6. Step 6: Final answer
    x = 55,614.89

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1.5x scale

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.