Home / 58,743.15-81,107.69-36,112.50

Finding the Fourth Proportional to 58,743.15, 81,107.69 and 36,112.50

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Solution

The fourth proportional to 58,743.15, 81,107.69 and 36,112.50 is: 49,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,743.15 : 81,107.69 = 36,112.50 : x
  2. Step 2: Convert to fraction form
    58,743.15/81,107.69 = 36,112.50/x
  3. Step 3: Cross multiply
    58,743.15x = 81,107.69 × 36,112.50
  4. Step 4: Simplify right side
    58,743.15x = 2,929,001,274.56
  5. Step 5: Solve for x
    x = 2,929,001,274.56/58,743.15
  6. Step 6: Final answer
    x = 49,861.15

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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.