Home / 58,780.34-81,116.85-31,922.86

Finding the Fourth Proportional to 58,780.34, 81,116.85 and 31,922.86

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Solution

The fourth proportional to 58,780.34, 81,116.85 and 31,922.86 is: 44,053.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,780.34 : 81,116.85 = 31,922.86 : x
  2. Step 2: Convert to fraction form
    58,780.34/81,116.85 = 31,922.86/x
  3. Step 3: Cross multiply
    58,780.34x = 81,116.85 × 31,922.86
  4. Step 4: Simplify right side
    58,780.34x = 2,589,481,846.19
  5. Step 5: Solve for x
    x = 2,589,481,846.19/58,780.34
  6. Step 6: Final answer
    x = 44,053.54

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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.