Home / 75,123.35-103,671.45-41,131.27

Finding the Fourth Proportional to 75,123.35, 103,671.45 and 41,131.27

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Solution

The fourth proportional to 75,123.35, 103,671.45 and 41,131.27 is: 56,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.35 : 103,671.45 = 41,131.27 : x
  2. Step 2: Convert to fraction form
    75,123.35/103,671.45 = 41,131.27/x
  3. Step 3: Cross multiply
    75,123.35x = 103,671.45 × 41,131.27
  4. Step 4: Simplify right side
    75,123.35x = 4,264,138,401.24
  5. Step 5: Solve for x
    x = 4,264,138,401.24/75,123.35
  6. Step 6: Final answer
    x = 56,761.82

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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.