Home / 73,985.69-102,100.04-39,994.04

Finding the Fourth Proportional to 73,985.69, 102,100.04 and 39,994.04

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Solution

The fourth proportional to 73,985.69, 102,100.04 and 39,994.04 is: 55,191.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.69 : 102,100.04 = 39,994.04 : x
  2. Step 2: Convert to fraction form
    73,985.69/102,100.04 = 39,994.04/x
  3. Step 3: Cross multiply
    73,985.69x = 102,100.04 × 39,994.04
  4. Step 4: Simplify right side
    73,985.69x = 4,083,392,373.29
  5. Step 5: Solve for x
    x = 4,083,392,373.29/73,985.69
  6. Step 6: Final answer
    x = 55,191.65

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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.