Home / 74,464.70-102,761.52-42,633.86

Finding the Fourth Proportional to 74,464.70, 102,761.52 and 42,633.86

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Solution

The fourth proportional to 74,464.70, 102,761.52 and 42,633.86 is: 58,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.70 : 102,761.52 = 42,633.86 : x
  2. Step 2: Convert to fraction form
    74,464.70/102,761.52 = 42,633.86/x
  3. Step 3: Cross multiply
    74,464.70x = 102,761.52 × 42,633.86
  4. Step 4: Simplify right side
    74,464.70x = 4,381,120,257.07
  5. Step 5: Solve for x
    x = 4,381,120,257.07/74,464.70
  6. Step 6: Final answer
    x = 58,834.86

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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.