Home / 52,736.51-72,776.46-28,863.36

Finding the Fourth Proportional to 52,736.51, 72,776.46 and 28,863.36

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Solution

The fourth proportional to 52,736.51, 72,776.46 and 28,863.36 is: 39,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,736.51 : 72,776.46 = 28,863.36 : x
  2. Step 2: Convert to fraction form
    52,736.51/72,776.46 = 28,863.36/x
  3. Step 3: Cross multiply
    52,736.51x = 72,776.46 × 28,863.36
  4. Step 4: Simplify right side
    52,736.51x = 2,100,573,164.51
  5. Step 5: Solve for x
    x = 2,100,573,164.51/52,736.51
  6. Step 6: Final answer
    x = 39,831.48

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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.