Home / 58,738.57-81,058.46-31,880.86

Finding the Fourth Proportional to 58,738.57, 81,058.46 and 31,880.86

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Solution

The fourth proportional to 58,738.57, 81,058.46 and 31,880.86 is: 43,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.57 : 81,058.46 = 31,880.86 : x
  2. Step 2: Convert to fraction form
    58,738.57/81,058.46 = 31,880.86/x
  3. Step 3: Cross multiply
    58,738.57x = 81,058.46 × 31,880.86
  4. Step 4: Simplify right side
    58,738.57x = 2,584,213,053.03
  5. Step 5: Solve for x
    x = 2,584,213,053.03/58,738.57
  6. Step 6: Final answer
    x = 43,995.17

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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.