Home / 45,918.92-68,871.90-14,750.12

Finding the Fourth Proportional to 45,918.92, 68,871.90 and 14,750.12

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Solution

The fourth proportional to 45,918.92, 68,871.90 and 14,750.12 is: 22,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.92 : 68,871.90 = 14,750.12 : x
  2. Step 2: Convert to fraction form
    45,918.92/68,871.90 = 14,750.12/x
  3. Step 3: Cross multiply
    45,918.92x = 68,871.90 × 14,750.12
  4. Step 4: Simplify right side
    45,918.92x = 1,015,868,789.63
  5. Step 5: Solve for x
    x = 1,015,868,789.63/45,918.92
  6. Step 6: Final answer
    x = 22,123.10

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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.