Home / 71,967.87-99,316.13-41,771.25

Finding the Fourth Proportional to 71,967.87, 99,316.13 and 41,771.25

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Solution

The fourth proportional to 71,967.87, 99,316.13 and 41,771.25 is: 57,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,967.87 : 99,316.13 = 41,771.25 : x
  2. Step 2: Convert to fraction form
    71,967.87/99,316.13 = 41,771.25/x
  3. Step 3: Cross multiply
    71,967.87x = 99,316.13 × 41,771.25
  4. Step 4: Simplify right side
    71,967.87x = 4,148,558,686.41
  5. Step 5: Solve for x
    x = 4,148,558,686.41/71,967.87
  6. Step 6: Final answer
    x = 57,644.59

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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.