Home / 104,578.13-144,318.74-56,831.48

Finding the Fourth Proportional to 104,578.13, 144,318.74 and 56,831.48

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Solution

The fourth proportional to 104,578.13, 144,318.74 and 56,831.48 is: 78,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,578.13 : 144,318.74 = 56,831.48 : x
  2. Step 2: Convert to fraction form
    104,578.13/144,318.74 = 56,831.48/x
  3. Step 3: Cross multiply
    104,578.13x = 144,318.74 × 56,831.48
  4. Step 4: Simplify right side
    104,578.13x = 8,201,846,580.18
  5. Step 5: Solve for x
    x = 8,201,846,580.18/104,578.13
  6. Step 6: Final answer
    x = 78,427.93

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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.