Home / 103,635.13-155,478.21-33,514.45

Finding the Fourth Proportional to 103,635.13, 155,478.21 and 33,514.45

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Solution

The fourth proportional to 103,635.13, 155,478.21 and 33,514.45 is: 50,279.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.13 : 155,478.21 = 33,514.45 : x
  2. Step 2: Convert to fraction form
    103,635.13/155,478.21 = 33,514.45/x
  3. Step 3: Cross multiply
    103,635.13x = 155,478.21 × 33,514.45
  4. Step 4: Simplify right side
    103,635.13x = 5,210,766,695.13
  5. Step 5: Solve for x
    x = 5,210,766,695.13/103,635.13
  6. Step 6: Final answer
    x = 50,279.93

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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.