Home / 73,963.98-102,070.31-39,972.35

Finding the Fourth Proportional to 73,963.98, 102,070.31 and 39,972.35

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Solution

The fourth proportional to 73,963.98, 102,070.31 and 39,972.35 is: 55,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,963.98 : 102,070.31 = 39,972.35 : x
  2. Step 2: Convert to fraction form
    73,963.98/102,070.31 = 39,972.35/x
  3. Step 3: Cross multiply
    73,963.98x = 102,070.31 × 39,972.35
  4. Step 4: Simplify right side
    73,963.98x = 4,079,990,211.24
  5. Step 5: Solve for x
    x = 4,079,990,211.24/73,963.98
  6. Step 6: Final answer
    x = 55,161.85

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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.