Home / 74,967.06-103,451.40-40,974.96

Finding the Fourth Proportional to 74,967.06, 103,451.40 and 40,974.96

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Solution

The fourth proportional to 74,967.06, 103,451.40 and 40,974.96 is: 56,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,967.06 : 103,451.40 = 40,974.96 : x
  2. Step 2: Convert to fraction form
    74,967.06/103,451.40 = 40,974.96/x
  3. Step 3: Cross multiply
    74,967.06x = 103,451.40 × 40,974.96
  4. Step 4: Simplify right side
    74,967.06x = 4,238,916,976.94
  5. Step 5: Solve for x
    x = 4,238,916,976.94/74,967.06
  6. Step 6: Final answer
    x = 56,543.73

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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.