Home / 85,521.96-118,020.47-47,796.21

Finding the Fourth Proportional to 85,521.96, 118,020.47 and 47,796.21

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Solution

The fourth proportional to 85,521.96, 118,020.47 and 47,796.21 is: 65,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,521.96 : 118,020.47 = 47,796.21 : x
  2. Step 2: Convert to fraction form
    85,521.96/118,020.47 = 47,796.21/x
  3. Step 3: Cross multiply
    85,521.96x = 118,020.47 × 47,796.21
  4. Step 4: Simplify right side
    85,521.96x = 5,640,930,929.44
  5. Step 5: Solve for x
    x = 5,640,930,929.44/85,521.96
  6. Step 6: Final answer
    x = 65,958.86

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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.