Home / 75,145.24-103,700.70-41,611.24

Finding the Fourth Proportional to 75,145.24, 103,700.70 and 41,611.24

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Solution

The fourth proportional to 75,145.24, 103,700.70 and 41,611.24 is: 57,423.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.24 : 103,700.70 = 41,611.24 : x
  2. Step 2: Convert to fraction form
    75,145.24/103,700.70 = 41,611.24/x
  3. Step 3: Cross multiply
    75,145.24x = 103,700.70 × 41,611.24
  4. Step 4: Simplify right side
    75,145.24x = 4,315,114,715.87
  5. Step 5: Solve for x
    x = 4,315,114,715.87/75,145.24
  6. Step 6: Final answer
    x = 57,423.66

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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.