Home / 58,581.45-80,842.49-31,724.01

Finding the Fourth Proportional to 58,581.45, 80,842.49 and 31,724.01

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Solution

The fourth proportional to 58,581.45, 80,842.49 and 31,724.01 is: 43,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,581.45 : 80,842.49 = 31,724.01 : x
  2. Step 2: Convert to fraction form
    58,581.45/80,842.49 = 31,724.01/x
  3. Step 3: Cross multiply
    58,581.45x = 80,842.49 × 31,724.01
  4. Step 4: Simplify right side
    58,581.45x = 2,564,647,961.18
  5. Step 5: Solve for x
    x = 2,564,647,961.18/58,581.45
  6. Step 6: Final answer
    x = 43,779.18

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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.