Home / 74,239.20-111,432.94-40,974.93

Finding the Fourth Proportional to 74,239.20, 111,432.94 and 40,974.93

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Solution

The fourth proportional to 74,239.20, 111,432.94 and 40,974.93 is: 61,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239.20 : 111,432.94 = 40,974.93 : x
  2. Step 2: Convert to fraction form
    74,239.20/111,432.94 = 40,974.93/x
  3. Step 3: Cross multiply
    74,239.20x = 111,432.94 × 40,974.93
  4. Step 4: Simplify right side
    74,239.20x = 4,565,956,813.76
  5. Step 5: Solve for x
    x = 4,565,956,813.76/74,239.20
  6. Step 6: Final answer
    x = 61,503.31

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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.