Home / 72,475.88-99,982.67-51,266.84

Finding the Fourth Proportional to 72,475.88, 99,982.67 and 51,266.84

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Solution

The fourth proportional to 72,475.88, 99,982.67 and 51,266.84 is: 70,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475.88 : 99,982.67 = 51,266.84 : x
  2. Step 2: Convert to fraction form
    72,475.88/99,982.67 = 51,266.84/x
  3. Step 3: Cross multiply
    72,475.88x = 99,982.67 × 51,266.84
  4. Step 4: Simplify right side
    72,475.88x = 5,125,794,789.42
  5. Step 5: Solve for x
    x = 5,125,794,789.42/72,475.88
  6. Step 6: Final answer
    x = 70,724.15

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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.