Home / 72,971.74-109,464.09-26,237.98

Finding the Fourth Proportional to 72,971.74, 109,464.09 and 26,237.98

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Solution

The fourth proportional to 72,971.74, 109,464.09 and 26,237.98 is: 39,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,971.74 : 109,464.09 = 26,237.98 : x
  2. Step 2: Convert to fraction form
    72,971.74/109,464.09 = 26,237.98/x
  3. Step 3: Cross multiply
    72,971.74x = 109,464.09 × 26,237.98
  4. Step 4: Simplify right side
    72,971.74x = 2,872,116,604.14
  5. Step 5: Solve for x
    x = 2,872,116,604.14/72,971.74
  6. Step 6: Final answer
    x = 39,359.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.