Home / 84,742.40-116,945.88-48,935.54

Finding the Fourth Proportional to 84,742.40, 116,945.88 and 48,935.54

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Solution

The fourth proportional to 84,742.40, 116,945.88 and 48,935.54 is: 67,531.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.40 : 116,945.88 = 48,935.54 : x
  2. Step 2: Convert to fraction form
    84,742.40/116,945.88 = 48,935.54/x
  3. Step 3: Cross multiply
    84,742.40x = 116,945.88 × 48,935.54
  4. Step 4: Simplify right side
    84,742.40x = 5,722,809,897.43
  5. Step 5: Solve for x
    x = 5,722,809,897.43/84,742.40
  6. Step 6: Final answer
    x = 67,531.83

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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.