Home / 75,123.14-103,671.55-41,133.06

Finding the Fourth Proportional to 75,123.14, 103,671.55 and 41,133.06

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Solution

The fourth proportional to 75,123.14, 103,671.55 and 41,133.06 is: 56,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.14 : 103,671.55 = 41,133.06 : x
  2. Step 2: Convert to fraction form
    75,123.14/103,671.55 = 41,133.06/x
  3. Step 3: Cross multiply
    75,123.14x = 103,671.55 × 41,133.06
  4. Step 4: Simplify right side
    75,123.14x = 4,264,328,086.44
  5. Step 5: Solve for x
    x = 4,264,328,086.44/75,123.14
  6. Step 6: Final answer
    x = 56,764.51

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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.