Home / 55,388.04-76,439.94-31,521.96

Finding the Fourth Proportional to 55,388.04, 76,439.94 and 31,521.96

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Solution

The fourth proportional to 55,388.04, 76,439.94 and 31,521.96 is: 43,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.04 : 76,439.94 = 31,521.96 : x
  2. Step 2: Convert to fraction form
    55,388.04/76,439.94 = 31,521.96/x
  3. Step 3: Cross multiply
    55,388.04x = 76,439.94 × 31,521.96
  4. Step 4: Simplify right side
    55,388.04x = 2,409,536,731.08
  5. Step 5: Solve for x
    x = 2,409,536,731.08/55,388.04
  6. Step 6: Final answer
    x = 43,502.83

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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.