Home / 71,003.04-97,985.33-39,171.93

Finding the Fourth Proportional to 71,003.04, 97,985.33 and 39,171.93

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Solution

The fourth proportional to 71,003.04, 97,985.33 and 39,171.93 is: 54,057.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,003.04 : 97,985.33 = 39,171.93 : x
  2. Step 2: Convert to fraction form
    71,003.04/97,985.33 = 39,171.93/x
  3. Step 3: Cross multiply
    71,003.04x = 97,985.33 × 39,171.93
  4. Step 4: Simplify right side
    71,003.04x = 3,838,274,487.79
  5. Step 5: Solve for x
    x = 3,838,274,487.79/71,003.04
  6. Step 6: Final answer
    x = 54,057.89

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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.