Home / 80,827.56-111,588.30-54,015.48

Finding the Fourth Proportional to 80,827.56, 111,588.30 and 54,015.48

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Solution

The fourth proportional to 80,827.56, 111,588.30 and 54,015.48 is: 74,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827.56 : 111,588.30 = 54,015.48 : x
  2. Step 2: Convert to fraction form
    80,827.56/111,588.30 = 54,015.48/x
  3. Step 3: Cross multiply
    80,827.56x = 111,588.30 × 54,015.48
  4. Step 4: Simplify right side
    80,827.56x = 6,027,495,586.88
  5. Step 5: Solve for x
    x = 6,027,495,586.88/80,827.56
  6. Step 6: Final answer
    x = 74,572.28

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1.5x scale

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.