Home / 45,881.12-68,821.65-12,601.33

Finding the Fourth Proportional to 45,881.12, 68,821.65 and 12,601.33

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Solution

The fourth proportional to 45,881.12, 68,821.65 and 12,601.33 is: 18,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,881.12 : 68,821.65 = 12,601.33 : x
  2. Step 2: Convert to fraction form
    45,881.12/68,821.65 = 12,601.33/x
  3. Step 3: Cross multiply
    45,881.12x = 68,821.65 × 12,601.33
  4. Step 4: Simplify right side
    45,881.12x = 867,244,150.74
  5. Step 5: Solve for x
    x = 867,244,150.74/45,881.12
  6. Step 6: Final answer
    x = 18,901.98

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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.