Home / 53,409.09-73,732.37-49,875.33

Finding the Fourth Proportional to 53,409.09, 73,732.37 and 49,875.33

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Solution

The fourth proportional to 53,409.09, 73,732.37 and 49,875.33 is: 68,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.09 : 73,732.37 = 49,875.33 : x
  2. Step 2: Convert to fraction form
    53,409.09/73,732.37 = 49,875.33/x
  3. Step 3: Cross multiply
    53,409.09x = 73,732.37 × 49,875.33
  4. Step 4: Simplify right side
    53,409.09x = 3,677,426,036.06
  5. Step 5: Solve for x
    x = 3,677,426,036.06/53,409.09
  6. Step 6: Final answer
    x = 68,853.94

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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.