Home / 53,205.09-79,831.15-27,898.56

Finding the Fourth Proportional to 53,205.09, 79,831.15 and 27,898.56

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Solution

The fourth proportional to 53,205.09, 79,831.15 and 27,898.56 is: 41,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.09 : 79,831.15 = 27,898.56 : x
  2. Step 2: Convert to fraction form
    53,205.09/79,831.15 = 27,898.56/x
  3. Step 3: Cross multiply
    53,205.09x = 79,831.15 × 27,898.56
  4. Step 4: Simplify right side
    53,205.09x = 2,227,174,128.14
  5. Step 5: Solve for x
    x = 2,227,174,128.14/53,205.09
  6. Step 6: Final answer
    x = 41,860.17

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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.