Home / 75,142.08-103,697.35-41,150.03

Finding the Fourth Proportional to 75,142.08, 103,697.35 and 41,150.03

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Solution

The fourth proportional to 75,142.08, 103,697.35 and 41,150.03 is: 56,787.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.08 : 103,697.35 = 41,150.03 : x
  2. Step 2: Convert to fraction form
    75,142.08/103,697.35 = 41,150.03/x
  3. Step 3: Cross multiply
    75,142.08x = 103,697.35 × 41,150.03
  4. Step 4: Simplify right side
    75,142.08x = 4,267,149,063.42
  5. Step 5: Solve for x
    x = 4,267,149,063.42/75,142.08
  6. Step 6: Final answer
    x = 56,787.74

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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.