Home / 74,677.41-103,051.85-40,684.95

Finding the Fourth Proportional to 74,677.41, 103,051.85 and 40,684.95

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Solution

The fourth proportional to 74,677.41, 103,051.85 and 40,684.95 is: 56,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.41 : 103,051.85 = 40,684.95 : x
  2. Step 2: Convert to fraction form
    74,677.41/103,051.85 = 40,684.95/x
  3. Step 3: Cross multiply
    74,677.41x = 103,051.85 × 40,684.95
  4. Step 4: Simplify right side
    74,677.41x = 4,192,659,161.23
  5. Step 5: Solve for x
    x = 4,192,659,161.23/74,677.41
  6. Step 6: Final answer
    x = 56,143.61

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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.