Home / 84,749.80-116,965.12-48,939.76

Finding the Fourth Proportional to 84,749.80, 116,965.12 and 48,939.76

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Solution

The fourth proportional to 84,749.80, 116,965.12 and 48,939.76 is: 67,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,749.80 : 116,965.12 = 48,939.76 : x
  2. Step 2: Convert to fraction form
    84,749.80/116,965.12 = 48,939.76/x
  3. Step 3: Cross multiply
    84,749.80x = 116,965.12 × 48,939.76
  4. Step 4: Simplify right side
    84,749.80x = 5,724,244,901.17
  5. Step 5: Solve for x
    x = 5,724,244,901.17/84,749.80
  6. Step 6: Final answer
    x = 67,542.87

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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.