Home / 84,174.78-116,181.15-48,385.59

Finding the Fourth Proportional to 84,174.78, 116,181.15 and 48,385.59

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Solution

The fourth proportional to 84,174.78, 116,181.15 and 48,385.59 is: 66,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,174.78 : 116,181.15 = 48,385.59 : x
  2. Step 2: Convert to fraction form
    84,174.78/116,181.15 = 48,385.59/x
  3. Step 3: Cross multiply
    84,174.78x = 116,181.15 × 48,385.59
  4. Step 4: Simplify right side
    84,174.78x = 5,621,492,872.50
  5. Step 5: Solve for x
    x = 5,621,492,872.50/84,174.78
  6. Step 6: Final answer
    x = 66,783.57

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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.