Home / 85,542.28-118,049.52-51,586.18

Finding the Fourth Proportional to 85,542.28, 118,049.52 and 51,586.18

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Solution

The fourth proportional to 85,542.28, 118,049.52 and 51,586.18 is: 71,189.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.28 : 118,049.52 = 51,586.18 : x
  2. Step 2: Convert to fraction form
    85,542.28/118,049.52 = 51,586.18/x
  3. Step 3: Cross multiply
    85,542.28x = 118,049.52 × 51,586.18
  4. Step 4: Simplify right side
    85,542.28x = 6,089,723,787.63
  5. Step 5: Solve for x
    x = 6,089,723,787.63/85,542.28
  6. Step 6: Final answer
    x = 71,189.64

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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.