Home / 54,167.67-81,251.76-14,186.57

Finding the Fourth Proportional to 54,167.67, 81,251.76 and 14,186.57

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Solution

The fourth proportional to 54,167.67, 81,251.76 and 14,186.57 is: 21,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,167.67 : 81,251.76 = 14,186.57 : x
  2. Step 2: Convert to fraction form
    54,167.67/81,251.76 = 14,186.57/x
  3. Step 3: Cross multiply
    54,167.67x = 81,251.76 × 14,186.57
  4. Step 4: Simplify right side
    54,167.67x = 1,152,683,780.86
  5. Step 5: Solve for x
    x = 1,152,683,780.86/54,167.67
  6. Step 6: Final answer
    x = 21,279.92

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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.