Home / 84,239.78-116,257.02-48,441.02

Finding the Fourth Proportional to 84,239.78, 116,257.02 and 48,441.02

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Solution

The fourth proportional to 84,239.78, 116,257.02 and 48,441.02 is: 66,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,239.78 : 116,257.02 = 48,441.02 : x
  2. Step 2: Convert to fraction form
    84,239.78/116,257.02 = 48,441.02/x
  3. Step 3: Cross multiply
    84,239.78x = 116,257.02 × 48,441.02
  4. Step 4: Simplify right side
    84,239.78x = 5,631,608,630.96
  5. Step 5: Solve for x
    x = 5,631,608,630.96/84,239.78
  6. Step 6: Final answer
    x = 66,852.13

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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.