Home / 72,736.04-100,425.15-53,618.02

Finding the Fourth Proportional to 72,736.04, 100,425.15 and 53,618.02

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Solution

The fourth proportional to 72,736.04, 100,425.15 and 53,618.02 is: 74,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,736.04 : 100,425.15 = 53,618.02 : x
  2. Step 2: Convert to fraction form
    72,736.04/100,425.15 = 53,618.02/x
  3. Step 3: Cross multiply
    72,736.04x = 100,425.15 × 53,618.02
  4. Step 4: Simplify right side
    72,736.04x = 5,384,597,450.14
  5. Step 5: Solve for x
    x = 5,384,597,450.14/72,736.04
  6. Step 6: Final answer
    x = 74,029.29

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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.