Home / 55,104.36-76,015.44-38,124.60

Finding the Fourth Proportional to 55,104.36, 76,015.44 and 38,124.60

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Solution

The fourth proportional to 55,104.36, 76,015.44 and 38,124.60 is: 52,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104.36 : 76,015.44 = 38,124.60 : x
  2. Step 2: Convert to fraction form
    55,104.36/76,015.44 = 38,124.60/x
  3. Step 3: Cross multiply
    55,104.36x = 76,015.44 × 38,124.60
  4. Step 4: Simplify right side
    55,104.36x = 2,898,058,243.82
  5. Step 5: Solve for x
    x = 2,898,058,243.82/55,104.36
  6. Step 6: Final answer
    x = 52,592.18

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Half scale
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1.5x scale

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.