Home / 75,228.93-103,815.51-41,238.87

Finding the Fourth Proportional to 75,228.93, 103,815.51 and 41,238.87

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Solution

The fourth proportional to 75,228.93, 103,815.51 and 41,238.87 is: 56,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,228.93 : 103,815.51 = 41,238.87 : x
  2. Step 2: Convert to fraction form
    75,228.93/103,815.51 = 41,238.87/x
  3. Step 3: Cross multiply
    75,228.93x = 103,815.51 × 41,238.87
  4. Step 4: Simplify right side
    75,228.93x = 4,281,234,320.87
  5. Step 5: Solve for x
    x = 4,281,234,320.87/75,228.93
  6. Step 6: Final answer
    x = 56,909.41

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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.