Home / 94,721.64-142,090.14-31,539.48

Finding the Fourth Proportional to 94,721.64, 142,090.14 and 31,539.48

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Solution

The fourth proportional to 94,721.64, 142,090.14 and 31,539.48 is: 47,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,721.64 : 142,090.14 = 31,539.48 : x
  2. Step 2: Convert to fraction form
    94,721.64/142,090.14 = 31,539.48/x
  3. Step 3: Cross multiply
    94,721.64x = 142,090.14 × 31,539.48
  4. Step 4: Simplify right side
    94,721.64x = 4,481,449,128.73
  5. Step 5: Solve for x
    x = 4,481,449,128.73/94,721.64
  6. Step 6: Final answer
    x = 47,311.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.