Home / 75,186.90-103,756.32-41,193.72

Finding the Fourth Proportional to 75,186.90, 103,756.32 and 41,193.72

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Solution

The fourth proportional to 75,186.90, 103,756.32 and 41,193.72 is: 56,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186.90 : 103,756.32 = 41,193.72 : x
  2. Step 2: Convert to fraction form
    75,186.90/103,756.32 = 41,193.72/x
  3. Step 3: Cross multiply
    75,186.90x = 103,756.32 × 41,193.72
  4. Step 4: Simplify right side
    75,186.90x = 4,274,108,794.31
  5. Step 5: Solve for x
    x = 4,274,108,794.31/75,186.90
  6. Step 6: Final answer
    x = 56,846.46

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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.