Home / 58,619.36-80,894.79-31,761.86

Finding the Fourth Proportional to 58,619.36, 80,894.79 and 31,761.86

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Solution

The fourth proportional to 58,619.36, 80,894.79 and 31,761.86 is: 43,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,619.36 : 80,894.79 = 31,761.86 : x
  2. Step 2: Convert to fraction form
    58,619.36/80,894.79 = 31,761.86/x
  3. Step 3: Cross multiply
    58,619.36x = 80,894.79 × 31,761.86
  4. Step 4: Simplify right side
    58,619.36x = 2,569,369,362.12
  5. Step 5: Solve for x
    x = 2,569,369,362.12/58,619.36
  6. Step 6: Final answer
    x = 43,831.41

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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.