Home / 104,578.29-144,317.48-56,831.82

Finding the Fourth Proportional to 104,578.29, 144,317.48 and 56,831.82

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Solution

The fourth proportional to 104,578.29, 144,317.48 and 56,831.82 is: 78,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.29 : 144,317.48 = 56,831.82 : x
  2. Step 2: Convert to fraction form
    104,578.29/144,317.48 = 56,831.82/x
  3. Step 3: Cross multiply
    104,578.29x = 144,317.48 × 56,831.82
  4. Step 4: Simplify right side
    104,578.29x = 8,201,825,046.21
  5. Step 5: Solve for x
    x = 8,201,825,046.21/104,578.29
  6. Step 6: Final answer
    x = 78,427.61

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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.