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Finding the Fourth Proportional to 76,372.20, 114,410.07 and 37,848.80

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Solution

The fourth proportional to 76,372.20, 114,410.07 and 37,848.80 is: 56,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,372.20 : 114,410.07 = 37,848.80 : x
  2. Step 2: Convert to fraction form
    76,372.20/114,410.07 = 37,848.80/x
  3. Step 3: Cross multiply
    76,372.20x = 114,410.07 × 37,848.80
  4. Step 4: Simplify right side
    76,372.20x = 4,330,284,143.44
  5. Step 5: Solve for x
    x = 4,330,284,143.44/76,372.20
  6. Step 6: Final answer
    x = 56,699.74

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1.5x scale

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.