Home / 77,673.12-116,472.87-27,054.50

Finding the Fourth Proportional to 77,673.12, 116,472.87 and 27,054.50

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Solution

The fourth proportional to 77,673.12, 116,472.87 and 27,054.50 is: 40,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.12 : 116,472.87 = 27,054.50 : x
  2. Step 2: Convert to fraction form
    77,673.12/116,472.87 = 27,054.50/x
  3. Step 3: Cross multiply
    77,673.12x = 116,472.87 × 27,054.50
  4. Step 4: Simplify right side
    77,673.12x = 3,151,114,679.05
  5. Step 5: Solve for x
    x = 3,151,114,679.05/77,673.12
  6. Step 6: Final answer
    x = 40,568.92

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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.