Home / 74,266.62-102,488.07-40,732.86

Finding the Fourth Proportional to 74,266.62, 102,488.07 and 40,732.86

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Solution

The fourth proportional to 74,266.62, 102,488.07 and 40,732.86 is: 56,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266.62 : 102,488.07 = 40,732.86 : x
  2. Step 2: Convert to fraction form
    74,266.62/102,488.07 = 40,732.86/x
  3. Step 3: Cross multiply
    74,266.62x = 102,488.07 × 40,732.86
  4. Step 4: Simplify right side
    74,266.62x = 4,174,632,206.98
  5. Step 5: Solve for x
    x = 4,174,632,206.98/74,266.62
  6. Step 6: Final answer
    x = 56,211.42

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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.