Home / 61,939.98-85,438.62-51,565.26

Finding the Fourth Proportional to 61,939.98, 85,438.62 and 51,565.26

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Solution

The fourth proportional to 61,939.98, 85,438.62 and 51,565.26 is: 71,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,939.98 : 85,438.62 = 51,565.26 : x
  2. Step 2: Convert to fraction form
    61,939.98/85,438.62 = 51,565.26/x
  3. Step 3: Cross multiply
    61,939.98x = 85,438.62 × 51,565.26
  4. Step 4: Simplify right side
    61,939.98x = 4,405,664,654.34
  5. Step 5: Solve for x
    x = 4,405,664,654.34/61,939.98
  6. Step 6: Final answer
    x = 71,127.96

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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.