Home / 77,617.32-116,328.62-33,191.94

Finding the Fourth Proportional to 77,617.32, 116,328.62 and 33,191.94

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Solution

The fourth proportional to 77,617.32, 116,328.62 and 33,191.94 is: 49,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,617.32 : 116,328.62 = 33,191.94 : x
  2. Step 2: Convert to fraction form
    77,617.32/116,328.62 = 33,191.94/x
  3. Step 3: Cross multiply
    77,617.32x = 116,328.62 × 33,191.94
  4. Step 4: Simplify right side
    77,617.32x = 3,861,172,575.32
  5. Step 5: Solve for x
    x = 3,861,172,575.32/77,617.32
  6. Step 6: Final answer
    x = 49,746.28

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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.