Home / 95,443.21-131,703.95-55,159.58

Finding the Fourth Proportional to 95,443.21, 131,703.95 and 55,159.58

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Solution

The fourth proportional to 95,443.21, 131,703.95 and 55,159.58 is: 76,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,443.21 : 131,703.95 = 55,159.58 : x
  2. Step 2: Convert to fraction form
    95,443.21/131,703.95 = 55,159.58/x
  3. Step 3: Cross multiply
    95,443.21x = 131,703.95 × 55,159.58
  4. Step 4: Simplify right side
    95,443.21x = 7,264,734,878.36
  5. Step 5: Solve for x
    x = 7,264,734,878.36/95,443.21
  6. Step 6: Final answer
    x = 76,115.78

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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.