Home / 55,491.24-76,577.76-31,617.96

Finding the Fourth Proportional to 55,491.24, 76,577.76 and 31,617.96

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Solution

The fourth proportional to 55,491.24, 76,577.76 and 31,617.96 is: 43,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491.24 : 76,577.76 = 31,617.96 : x
  2. Step 2: Convert to fraction form
    55,491.24/76,577.76 = 31,617.96/x
  3. Step 3: Cross multiply
    55,491.24x = 76,577.76 × 31,617.96
  4. Step 4: Simplify right side
    55,491.24x = 2,421,232,552.57
  5. Step 5: Solve for x
    x = 2,421,232,552.57/55,491.24
  6. Step 6: Final answer
    x = 43,632.70

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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.