Home / 58,243.32-80,323.92-39,405.96

Finding the Fourth Proportional to 58,243.32, 80,323.92 and 39,405.96

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Solution

The fourth proportional to 58,243.32, 80,323.92 and 39,405.96 is: 54,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,243.32 : 80,323.92 = 39,405.96 : x
  2. Step 2: Convert to fraction form
    58,243.32/80,323.92 = 39,405.96/x
  3. Step 3: Cross multiply
    58,243.32x = 80,323.92 × 39,405.96
  4. Step 4: Simplify right side
    58,243.32x = 3,165,241,178.56
  5. Step 5: Solve for x
    x = 3,165,241,178.56/58,243.32
  6. Step 6: Final answer
    x = 54,345.14

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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.