Home / 85,609.45-118,188.56-51,626.55

Finding the Fourth Proportional to 85,609.45, 118,188.56 and 51,626.55

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Solution

The fourth proportional to 85,609.45, 118,188.56 and 51,626.55 is: 71,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,609.45 : 118,188.56 = 51,626.55 : x
  2. Step 2: Convert to fraction form
    85,609.45/118,188.56 = 51,626.55/x
  3. Step 3: Cross multiply
    85,609.45x = 118,188.56 × 51,626.55
  4. Step 4: Simplify right side
    85,609.45x = 6,101,667,602.27
  5. Step 5: Solve for x
    x = 6,101,667,602.27/85,609.45
  6. Step 6: Final answer
    x = 71,273.30

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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.