Home / 103,629.02-155,404.65-33,489.50

Finding the Fourth Proportional to 103,629.02, 155,404.65 and 33,489.50

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Solution

The fourth proportional to 103,629.02, 155,404.65 and 33,489.50 is: 50,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,629.02 : 155,404.65 = 33,489.50 : x
  2. Step 2: Convert to fraction form
    103,629.02/155,404.65 = 33,489.50/x
  3. Step 3: Cross multiply
    103,629.02x = 155,404.65 × 33,489.50
  4. Step 4: Simplify right side
    103,629.02x = 5,204,424,026.18
  5. Step 5: Solve for x
    x = 5,204,424,026.18/103,629.02
  6. Step 6: Final answer
    x = 50,221.69

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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.