Home / 85,575.12-118,096.32-47,849.28

Finding the Fourth Proportional to 85,575.12, 118,096.32 and 47,849.28

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Solution

The fourth proportional to 85,575.12, 118,096.32 and 47,849.28 is: 66,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,575.12 : 118,096.32 = 47,849.28 : x
  2. Step 2: Convert to fraction form
    85,575.12/118,096.32 = 47,849.28/x
  3. Step 3: Cross multiply
    85,575.12x = 118,096.32 × 47,849.28
  4. Step 4: Simplify right side
    85,575.12x = 5,650,823,882.65
  5. Step 5: Solve for x
    x = 5,650,823,882.65/85,575.12
  6. Step 6: Final answer
    x = 66,033.49

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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.