Home / 53,321.15-73,583.08-30,664.51

Finding the Fourth Proportional to 53,321.15, 73,583.08 and 30,664.51

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Solution

The fourth proportional to 53,321.15, 73,583.08 and 30,664.51 is: 42,316.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,321.15 : 73,583.08 = 30,664.51 : x
  2. Step 2: Convert to fraction form
    53,321.15/73,583.08 = 30,664.51/x
  3. Step 3: Cross multiply
    53,321.15x = 73,583.08 × 30,664.51
  4. Step 4: Simplify right side
    53,321.15x = 2,256,388,831.87
  5. Step 5: Solve for x
    x = 2,256,388,831.87/53,321.15
  6. Step 6: Final answer
    x = 42,316.96

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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.