Home / 77,568.86-116,324.54-27,635.70

Finding the Fourth Proportional to 77,568.86, 116,324.54 and 27,635.70

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Solution

The fourth proportional to 77,568.86, 116,324.54 and 27,635.70 is: 41,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,568.86 : 116,324.54 = 27,635.70 : x
  2. Step 2: Convert to fraction form
    77,568.86/116,324.54 = 27,635.70/x
  3. Step 3: Cross multiply
    77,568.86x = 116,324.54 × 27,635.70
  4. Step 4: Simplify right side
    77,568.86x = 3,214,710,159.17
  5. Step 5: Solve for x
    x = 3,214,710,159.17/77,568.86
  6. Step 6: Final answer
    x = 41,443.31

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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.