Home / 84,490.46-116,568.35-48,679.58

Finding the Fourth Proportional to 84,490.46, 116,568.35 and 48,679.58

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Solution

The fourth proportional to 84,490.46, 116,568.35 and 48,679.58 is: 67,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,490.46 : 116,568.35 = 48,679.58 : x
  2. Step 2: Convert to fraction form
    84,490.46/116,568.35 = 48,679.58/x
  3. Step 3: Cross multiply
    84,490.46x = 116,568.35 × 48,679.58
  4. Step 4: Simplify right side
    84,490.46x = 5,674,498,319.29
  5. Step 5: Solve for x
    x = 5,674,498,319.29/84,490.46
  6. Step 6: Final answer
    x = 67,161.41

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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.