Home / 53,831.36-74,371.55-41,129

Finding the Fourth Proportional to 53,831.36, 74,371.55 and 41,129

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Solution

The fourth proportional to 53,831.36, 74,371.55 and 41,129 is: 56,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.36 : 74,371.55 = 41,129 : x
  2. Step 2: Convert to fraction form
    53,831.36/74,371.55 = 41,129/x
  3. Step 3: Cross multiply
    53,831.36x = 74,371.55 × 41,129
  4. Step 4: Simplify right side
    53,831.36x = 3,058,827,479.95
  5. Step 5: Solve for x
    x = 3,058,827,479.95/53,831.36
  6. Step 6: Final answer
    x = 56,822.41

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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.