Home / 55,471.16-76,548.71-31,605.53

Finding the Fourth Proportional to 55,471.16, 76,548.71 and 31,605.53

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Solution

The fourth proportional to 55,471.16, 76,548.71 and 31,605.53 is: 43,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471.16 : 76,548.71 = 31,605.53 : x
  2. Step 2: Convert to fraction form
    55,471.16/76,548.71 = 31,605.53/x
  3. Step 3: Cross multiply
    55,471.16x = 76,548.71 × 31,605.53
  4. Step 4: Simplify right side
    55,471.16x = 2,419,362,246.64
  5. Step 5: Solve for x
    x = 2,419,362,246.64/55,471.16
  6. Step 6: Final answer
    x = 43,614.77

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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.