Home / 45,856.40-68,761.92-14,687.60

Finding the Fourth Proportional to 45,856.40, 68,761.92 and 14,687.60

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Solution

The fourth proportional to 45,856.40, 68,761.92 and 14,687.60 is: 22,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.40 : 68,761.92 = 14,687.60 : x
  2. Step 2: Convert to fraction form
    45,856.40/68,761.92 = 14,687.60/x
  3. Step 3: Cross multiply
    45,856.40x = 68,761.92 × 14,687.60
  4. Step 4: Simplify right side
    45,856.40x = 1,009,947,576.19
  5. Step 5: Solve for x
    x = 1,009,947,576.19/45,856.40
  6. Step 6: Final answer
    x = 22,024.14

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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.