Home / 75,126.10-103,674.05-41,136.75

Finding the Fourth Proportional to 75,126.10, 103,674.05 and 41,136.75

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Solution

The fourth proportional to 75,126.10, 103,674.05 and 41,136.75 is: 56,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,126.10 : 103,674.05 = 41,136.75 : x
  2. Step 2: Convert to fraction form
    75,126.10/103,674.05 = 41,136.75/x
  3. Step 3: Cross multiply
    75,126.10x = 103,674.05 × 41,136.75
  4. Step 4: Simplify right side
    75,126.10x = 4,264,813,476.34
  5. Step 5: Solve for x
    x = 4,264,813,476.34/75,126.10
  6. Step 6: Final answer
    x = 56,768.73

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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.