Home / 75,145.22-103,702.34-41,155.58

Finding the Fourth Proportional to 75,145.22, 103,702.34 and 41,155.58

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Solution

The fourth proportional to 75,145.22, 103,702.34 and 41,155.58 is: 56,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,145.22 : 103,702.34 = 41,155.58 : x
  2. Step 2: Convert to fraction form
    75,145.22/103,702.34 = 41,155.58/x
  3. Step 3: Cross multiply
    75,145.22x = 103,702.34 × 41,155.58
  4. Step 4: Simplify right side
    75,145.22x = 4,267,929,950.06
  5. Step 5: Solve for x
    x = 4,267,929,950.06/75,145.22
  6. Step 6: Final answer
    x = 56,795.76

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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.