Home / 55,671.84-83,508.12-14,118.96

Finding the Fourth Proportional to 55,671.84, 83,508.12 and 14,118.96

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Solution

The fourth proportional to 55,671.84, 83,508.12 and 14,118.96 is: 21,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,671.84 : 83,508.12 = 14,118.96 : x
  2. Step 2: Convert to fraction form
    55,671.84/83,508.12 = 14,118.96/x
  3. Step 3: Cross multiply
    55,671.84x = 83,508.12 × 14,118.96
  4. Step 4: Simplify right side
    55,671.84x = 1,179,047,805.96
  5. Step 5: Solve for x
    x = 1,179,047,805.96/55,671.84
  6. Step 6: Final answer
    x = 21,178.53

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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.