Home / 58,619.04-80,894.37-31,761.78

Finding the Fourth Proportional to 58,619.04, 80,894.37 and 31,761.78

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Solution

The fourth proportional to 58,619.04, 80,894.37 and 31,761.78 is: 43,831.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,619.04 : 80,894.37 = 31,761.78 : x
  2. Step 2: Convert to fraction form
    58,619.04/80,894.37 = 31,761.78/x
  3. Step 3: Cross multiply
    58,619.04x = 80,894.37 × 31,761.78
  4. Step 4: Simplify right side
    58,619.04x = 2,569,349,183.18
  5. Step 5: Solve for x
    x = 2,569,349,183.18/58,619.04
  6. Step 6: Final answer
    x = 43,831.31

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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.