Home / 72,466.13-99,969.23-51,257.09

Finding the Fourth Proportional to 72,466.13, 99,969.23 and 51,257.09

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Solution

The fourth proportional to 72,466.13, 99,969.23 and 51,257.09 is: 70,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,466.13 : 99,969.23 = 51,257.09 : x
  2. Step 2: Convert to fraction form
    72,466.13/99,969.23 = 51,257.09/x
  3. Step 3: Cross multiply
    72,466.13x = 99,969.23 × 51,257.09
  4. Step 4: Simplify right side
    72,466.13x = 5,124,131,447.64
  5. Step 5: Solve for x
    x = 5,124,131,447.64/72,466.13
  6. Step 6: Final answer
    x = 70,710.71

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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.