Home / 84,764.88-127,116.72-25,582.32

Finding the Fourth Proportional to 84,764.88, 127,116.72 and 25,582.32

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Solution

The fourth proportional to 84,764.88, 127,116.72 and 25,582.32 is: 38,364.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,764.88 : 127,116.72 = 25,582.32 : x
  2. Step 2: Convert to fraction form
    84,764.88/127,116.72 = 25,582.32/x
  3. Step 3: Cross multiply
    84,764.88x = 127,116.72 × 25,582.32
  4. Step 4: Simplify right side
    84,764.88x = 3,251,940,608.39
  5. Step 5: Solve for x
    x = 3,251,940,608.39/84,764.88
  6. Step 6: Final answer
    x = 38,364.24

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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.