Home / 84,638.44-127,033.80-45,229.24

Finding the Fourth Proportional to 84,638.44, 127,033.80 and 45,229.24

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Solution

The fourth proportional to 84,638.44, 127,033.80 and 45,229.24 is: 67,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.44 : 127,033.80 = 45,229.24 : x
  2. Step 2: Convert to fraction form
    84,638.44/127,033.80 = 45,229.24/x
  3. Step 3: Cross multiply
    84,638.44x = 127,033.80 × 45,229.24
  4. Step 4: Simplify right side
    84,638.44x = 5,745,642,228.31
  5. Step 5: Solve for x
    x = 5,745,642,228.31/84,638.44
  6. Step 6: Final answer
    x = 67,884.55

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1.5x scale

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.