Home / 74,355.26-102,609.30-40,363.74

Finding the Fourth Proportional to 74,355.26, 102,609.30 and 40,363.74

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Solution

The fourth proportional to 74,355.26, 102,609.30 and 40,363.74 is: 55,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.26 : 102,609.30 = 40,363.74 : x
  2. Step 2: Convert to fraction form
    74,355.26/102,609.30 = 40,363.74/x
  3. Step 3: Cross multiply
    74,355.26x = 102,609.30 × 40,363.74
  4. Step 4: Simplify right side
    74,355.26x = 4,141,695,106.78
  5. Step 5: Solve for x
    x = 4,141,695,106.78/74,355.26
  6. Step 6: Final answer
    x = 55,701.44

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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.