Home / 74,919.60-112,379.40-41,623.74

Finding the Fourth Proportional to 74,919.60, 112,379.40 and 41,623.74

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Solution

The fourth proportional to 74,919.60, 112,379.40 and 41,623.74 is: 62,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.60 : 112,379.40 = 41,623.74 : x
  2. Step 2: Convert to fraction form
    74,919.60/112,379.40 = 41,623.74/x
  3. Step 3: Cross multiply
    74,919.60x = 112,379.40 × 41,623.74
  4. Step 4: Simplify right side
    74,919.60x = 4,677,650,926.96
  5. Step 5: Solve for x
    x = 4,677,650,926.96/74,919.60
  6. Step 6: Final answer
    x = 62,435.61

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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.