Home / 84,705.21-127,068.85-25,546.86

Finding the Fourth Proportional to 84,705.21, 127,068.85 and 25,546.86

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Solution

The fourth proportional to 84,705.21, 127,068.85 and 25,546.86 is: 38,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,705.21 : 127,068.85 = 25,546.86 : x
  2. Step 2: Convert to fraction form
    84,705.21/127,068.85 = 25,546.86/x
  3. Step 3: Cross multiply
    84,705.21x = 127,068.85 × 25,546.86
  4. Step 4: Simplify right side
    84,705.21x = 3,246,210,153.24
  5. Step 5: Solve for x
    x = 3,246,210,153.24/84,705.21
  6. Step 6: Final answer
    x = 38,323.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.