Home / 85,914.62-118,554.21-48,181.58

Finding the Fourth Proportional to 85,914.62, 118,554.21 and 48,181.58

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Solution

The fourth proportional to 85,914.62, 118,554.21 and 48,181.58 is: 66,486.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,914.62 : 118,554.21 = 48,181.58 : x
  2. Step 2: Convert to fraction form
    85,914.62/118,554.21 = 48,181.58/x
  3. Step 3: Cross multiply
    85,914.62x = 118,554.21 × 48,181.58
  4. Step 4: Simplify right side
    85,914.62x = 5,712,129,153.45
  5. Step 5: Solve for x
    x = 5,712,129,153.45/85,914.62
  6. Step 6: Final answer
    x = 66,486.11

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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.