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Finding the Fourth Proportional to 76,640.58, 114,973.02 and 24,037.56

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Solution

The fourth proportional to 76,640.58, 114,973.02 and 24,037.56 is: 36,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640.58 : 114,973.02 = 24,037.56 : x
  2. Step 2: Convert to fraction form
    76,640.58/114,973.02 = 24,037.56/x
  3. Step 3: Cross multiply
    76,640.58x = 114,973.02 × 24,037.56
  4. Step 4: Simplify right side
    76,640.58x = 2,763,670,866.63
  5. Step 5: Solve for x
    x = 2,763,670,866.63/76,640.58
  6. Step 6: Final answer
    x = 36,060.15

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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.