Home / 103,775.28-155,684.80-33,649.13

Finding the Fourth Proportional to 103,775.28, 155,684.80 and 33,649.13

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Solution

The fourth proportional to 103,775.28, 155,684.80 and 33,649.13 is: 50,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,775.28 : 155,684.80 = 33,649.13 : x
  2. Step 2: Convert to fraction form
    103,775.28/155,684.80 = 33,649.13/x
  3. Step 3: Cross multiply
    103,775.28x = 155,684.80 × 33,649.13
  4. Step 4: Simplify right side
    103,775.28x = 5,238,658,074.22
  5. Step 5: Solve for x
    x = 5,238,658,074.22/103,775.28
  6. Step 6: Final answer
    x = 50,480.79

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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.