Home / 82,864.40-114,420.33-67,553.37

Finding the Fourth Proportional to 82,864.40, 114,420.33 and 67,553.37

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Solution

The fourth proportional to 82,864.40, 114,420.33 and 67,553.37 is: 93,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,864.40 : 114,420.33 = 67,553.37 : x
  2. Step 2: Convert to fraction form
    82,864.40/114,420.33 = 67,553.37/x
  3. Step 3: Cross multiply
    82,864.40x = 114,420.33 × 67,553.37
  4. Step 4: Simplify right side
    82,864.40x = 7,729,478,888.01
  5. Step 5: Solve for x
    x = 7,729,478,888.01/82,864.40
  6. Step 6: Final answer
    x = 93,278.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.