Home / 58,783.54-81,121.26-31,926.04

Finding the Fourth Proportional to 58,783.54, 81,121.26 and 31,926.04

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Solution

The fourth proportional to 58,783.54, 81,121.26 and 31,926.04 is: 44,057.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,783.54 : 81,121.26 = 31,926.04 : x
  2. Step 2: Convert to fraction form
    58,783.54/81,121.26 = 31,926.04/x
  3. Step 3: Cross multiply
    58,783.54x = 81,121.26 × 31,926.04
  4. Step 4: Simplify right side
    58,783.54x = 2,589,880,591.61
  5. Step 5: Solve for x
    x = 2,589,880,591.61/58,783.54
  6. Step 6: Final answer
    x = 44,057.92

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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.