Home / 84,991.50-127,429.73-47,577.39

Finding the Fourth Proportional to 84,991.50, 127,429.73 and 47,577.39

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Solution

The fourth proportional to 84,991.50, 127,429.73 and 47,577.39 is: 71,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,991.50 : 127,429.73 = 47,577.39 : x
  2. Step 2: Convert to fraction form
    84,991.50/127,429.73 = 47,577.39/x
  3. Step 3: Cross multiply
    84,991.50x = 127,429.73 × 47,577.39
  4. Step 4: Simplify right side
    84,991.50x = 6,062,773,723.92
  5. Step 5: Solve for x
    x = 6,062,773,723.92/84,991.50
  6. Step 6: Final answer
    x = 71,333.88

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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.