Home / 84,928.16-127,392.48-25,764.32

Finding the Fourth Proportional to 84,928.16, 127,392.48 and 25,764.32

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Solution

The fourth proportional to 84,928.16, 127,392.48 and 25,764.32 is: 38,646.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,928.16 : 127,392.48 = 25,764.32 : x
  2. Step 2: Convert to fraction form
    84,928.16/127,392.48 = 25,764.32/x
  3. Step 3: Cross multiply
    84,928.16x = 127,392.48 × 25,764.32
  4. Step 4: Simplify right side
    84,928.16x = 3,282,180,620.31
  5. Step 5: Solve for x
    x = 3,282,180,620.31/84,928.16
  6. Step 6: Final answer
    x = 38,646.55

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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.