Home / 87,446.37-120,670.93-51,623.31

Finding the Fourth Proportional to 87,446.37, 120,670.93 and 51,623.31

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Solution

The fourth proportional to 87,446.37, 120,670.93 and 51,623.31 is: 71,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,446.37 : 120,670.93 = 51,623.31 : x
  2. Step 2: Convert to fraction form
    87,446.37/120,670.93 = 51,623.31/x
  3. Step 3: Cross multiply
    87,446.37x = 120,670.93 × 51,623.31
  4. Step 4: Simplify right side
    87,446.37x = 6,229,432,827.38
  5. Step 5: Solve for x
    x = 6,229,432,827.38/87,446.37
  6. Step 6: Final answer
    x = 71,237.18

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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.