Home / 84,353.32-116,407.70-48,542.68

Finding the Fourth Proportional to 84,353.32, 116,407.70 and 48,542.68

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Solution

The fourth proportional to 84,353.32, 116,407.70 and 48,542.68 is: 66,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.32 : 116,407.70 = 48,542.68 : x
  2. Step 2: Convert to fraction form
    84,353.32/116,407.70 = 48,542.68/x
  3. Step 3: Cross multiply
    84,353.32x = 116,407.70 × 48,542.68
  4. Step 4: Simplify right side
    84,353.32x = 5,650,741,730.64
  5. Step 5: Solve for x
    x = 5,650,741,730.64/84,353.32
  6. Step 6: Final answer
    x = 66,988.97

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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.