Home / 58,577.46-80,836.78-31,720.05

Finding the Fourth Proportional to 58,577.46, 80,836.78 and 31,720.05

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Solution

The fourth proportional to 58,577.46, 80,836.78 and 31,720.05 is: 43,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,577.46 : 80,836.78 = 31,720.05 : x
  2. Step 2: Convert to fraction form
    58,577.46/80,836.78 = 31,720.05/x
  3. Step 3: Cross multiply
    58,577.46x = 80,836.78 × 31,720.05
  4. Step 4: Simplify right side
    58,577.46x = 2,564,146,703.44
  5. Step 5: Solve for x
    x = 2,564,146,703.44/58,577.46
  6. Step 6: Final answer
    x = 43,773.61

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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.