Home / 58,747.80-81,073.44-31,890.31

Finding the Fourth Proportional to 58,747.80, 81,073.44 and 31,890.31

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Solution

The fourth proportional to 58,747.80, 81,073.44 and 31,890.31 is: 44,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.80 : 81,073.44 = 31,890.31 : x
  2. Step 2: Convert to fraction form
    58,747.80/81,073.44 = 31,890.31/x
  3. Step 3: Cross multiply
    58,747.80x = 81,073.44 × 31,890.31
  4. Step 4: Simplify right side
    58,747.80x = 2,585,457,235.71
  5. Step 5: Solve for x
    x = 2,585,457,235.71/58,747.80
  6. Step 6: Final answer
    x = 44,009.43

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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.