Home / 55,480.74-76,557.92-31,605.99

Finding the Fourth Proportional to 55,480.74, 76,557.92 and 31,605.99

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Solution

The fourth proportional to 55,480.74, 76,557.92 and 31,605.99 is: 43,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.74 : 76,557.92 = 31,605.99 : x
  2. Step 2: Convert to fraction form
    55,480.74/76,557.92 = 31,605.99/x
  3. Step 3: Cross multiply
    55,480.74x = 76,557.92 × 31,605.99
  4. Step 4: Simplify right side
    55,480.74x = 2,419,688,853.94
  5. Step 5: Solve for x
    x = 2,419,688,853.94/55,480.74
  6. Step 6: Final answer
    x = 43,613.13

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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.