Home / 112,958.28-169,432.29-49,761.50

Finding the Fourth Proportional to 112,958.28, 169,432.29 and 49,761.50

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Solution

The fourth proportional to 112,958.28, 169,432.29 and 49,761.50 is: 74,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958.28 : 169,432.29 = 49,761.50 : x
  2. Step 2: Convert to fraction form
    112,958.28/169,432.29 = 49,761.50/x
  3. Step 3: Cross multiply
    112,958.28x = 169,432.29 × 49,761.50
  4. Step 4: Simplify right side
    112,958.28x = 8,431,204,051.67
  5. Step 5: Solve for x
    x = 8,431,204,051.67/112,958.28
  6. Step 6: Final answer
    x = 74,639.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.