Home / 71,760.47-99,026.07-39,494.03

Finding the Fourth Proportional to 71,760.47, 99,026.07 and 39,494.03

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Solution

The fourth proportional to 71,760.47, 99,026.07 and 39,494.03 is: 54,499.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,760.47 : 99,026.07 = 39,494.03 : x
  2. Step 2: Convert to fraction form
    71,760.47/99,026.07 = 39,494.03/x
  3. Step 3: Cross multiply
    71,760.47x = 99,026.07 × 39,494.03
  4. Step 4: Simplify right side
    71,760.47x = 3,910,938,579.36
  5. Step 5: Solve for x
    x = 3,910,938,579.36/71,760.47
  6. Step 6: Final answer
    x = 54,499.90

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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.