Home / 85,588.85-118,072.82-55,383.93

Finding the Fourth Proportional to 85,588.85, 118,072.82 and 55,383.93

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Solution

The fourth proportional to 85,588.85, 118,072.82 and 55,383.93 is: 76,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588.85 : 118,072.82 = 55,383.93 : x
  2. Step 2: Convert to fraction form
    85,588.85/118,072.82 = 55,383.93/x
  3. Step 3: Cross multiply
    85,588.85x = 118,072.82 × 55,383.93
  4. Step 4: Simplify right side
    85,588.85x = 6,539,336,520.86
  5. Step 5: Solve for x
    x = 6,539,336,520.86/85,588.85
  6. Step 6: Final answer
    x = 76,404.07

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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.