Home / 85,565.62-118,084.44-47,839.90

Finding the Fourth Proportional to 85,565.62, 118,084.44 and 47,839.90

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Solution

The fourth proportional to 85,565.62, 118,084.44 and 47,839.90 is: 66,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,565.62 : 118,084.44 = 47,839.90 : x
  2. Step 2: Convert to fraction form
    85,565.62/118,084.44 = 47,839.90/x
  3. Step 3: Cross multiply
    85,565.62x = 118,084.44 × 47,839.90
  4. Step 4: Simplify right side
    85,565.62x = 5,649,147,801.16
  5. Step 5: Solve for x
    x = 5,649,147,801.16/85,565.62
  6. Step 6: Final answer
    x = 66,021.23

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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.