Home / 85,310.49-127,965.65-37,914.56

Finding the Fourth Proportional to 85,310.49, 127,965.65 and 37,914.56

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Solution

The fourth proportional to 85,310.49, 127,965.65 and 37,914.56 is: 56,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,310.49 : 127,965.65 = 37,914.56 : x
  2. Step 2: Convert to fraction form
    85,310.49/127,965.65 = 37,914.56/x
  3. Step 3: Cross multiply
    85,310.49x = 127,965.65 × 37,914.56
  4. Step 4: Simplify right side
    85,310.49x = 4,851,760,485.46
  5. Step 5: Solve for x
    x = 4,851,760,485.46/85,310.49
  6. Step 6: Final answer
    x = 56,871.79

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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.