Home / 84,159.76-116,138.28-46,433.20

Finding the Fourth Proportional to 84,159.76, 116,138.28 and 46,433.20

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Solution

The fourth proportional to 84,159.76, 116,138.28 and 46,433.20 is: 64,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.76 : 116,138.28 = 46,433.20 : x
  2. Step 2: Convert to fraction form
    84,159.76/116,138.28 = 46,433.20/x
  3. Step 3: Cross multiply
    84,159.76x = 116,138.28 × 46,433.20
  4. Step 4: Simplify right side
    84,159.76x = 5,392,671,982.90
  5. Step 5: Solve for x
    x = 5,392,671,982.90/84,159.76
  6. Step 6: Final answer
    x = 64,076.61

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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.