Home / 84,982.32-127,473.72-25,818.48

Finding the Fourth Proportional to 84,982.32, 127,473.72 and 25,818.48

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Solution

The fourth proportional to 84,982.32, 127,473.72 and 25,818.48 is: 38,727.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,982.32 : 127,473.72 = 25,818.48 : x
  2. Step 2: Convert to fraction form
    84,982.32/127,473.72 = 25,818.48/x
  3. Step 3: Cross multiply
    84,982.32x = 127,473.72 × 25,818.48
  4. Step 4: Simplify right side
    84,982.32x = 3,291,177,690.35
  5. Step 5: Solve for x
    x = 3,291,177,690.35/84,982.32
  6. Step 6: Final answer
    x = 38,727.79

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1.5x scale

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.