Home / 75,136.13-103,691.09-41,602.13

Finding the Fourth Proportional to 75,136.13, 103,691.09 and 41,602.13

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Solution

The fourth proportional to 75,136.13, 103,691.09 and 41,602.13 is: 57,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,136.13 : 103,691.09 = 41,602.13 : x
  2. Step 2: Convert to fraction form
    75,136.13/103,691.09 = 41,602.13/x
  3. Step 3: Cross multiply
    75,136.13x = 103,691.09 × 41,602.13
  4. Step 4: Simplify right side
    75,136.13x = 4,313,770,206.02
  5. Step 5: Solve for x
    x = 4,313,770,206.02/75,136.13
  6. Step 6: Final answer
    x = 57,412.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.