Home / 55,581.84-76,707.32-31,703.04

Finding the Fourth Proportional to 55,581.84, 76,707.32 and 31,703.04

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Solution

The fourth proportional to 55,581.84, 76,707.32 and 31,703.04 is: 43,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,581.84 : 76,707.32 = 31,703.04 : x
  2. Step 2: Convert to fraction form
    55,581.84/76,707.32 = 31,703.04/x
  3. Step 3: Cross multiply
    55,581.84x = 76,707.32 × 31,703.04
  4. Step 4: Simplify right side
    55,581.84x = 2,431,855,234.25
  5. Step 5: Solve for x
    x = 2,431,855,234.25/55,581.84
  6. Step 6: Final answer
    x = 43,752.69

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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.