Home / 58,577.38-80,836.99-31,719.80

Finding the Fourth Proportional to 58,577.38, 80,836.99 and 31,719.80

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Solution

The fourth proportional to 58,577.38, 80,836.99 and 31,719.80 is: 43,773.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,577.38 : 80,836.99 = 31,719.80 : x
  2. Step 2: Convert to fraction form
    58,577.38/80,836.99 = 31,719.80/x
  3. Step 3: Cross multiply
    58,577.38x = 80,836.99 × 31,719.80
  4. Step 4: Simplify right side
    58,577.38x = 2,564,133,278.19
  5. Step 5: Solve for x
    x = 2,564,133,278.19/58,577.38
  6. Step 6: Final answer
    x = 43,773.44

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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.