Home / 80,573.78-120,848.19-41,160.02

Finding the Fourth Proportional to 80,573.78, 120,848.19 and 41,160.02

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Solution

The fourth proportional to 80,573.78, 120,848.19 and 41,160.02 is: 61,733.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,573.78 : 120,848.19 = 41,160.02 : x
  2. Step 2: Convert to fraction form
    80,573.78/120,848.19 = 41,160.02/x
  3. Step 3: Cross multiply
    80,573.78x = 120,848.19 × 41,160.02
  4. Step 4: Simplify right side
    80,573.78x = 4,974,113,917.36
  5. Step 5: Solve for x
    x = 4,974,113,917.36/80,573.78
  6. Step 6: Final answer
    x = 61,733.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.