Home / 76,375.34-114,573.06-28,337.40

Finding the Fourth Proportional to 76,375.34, 114,573.06 and 28,337.40

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Solution

The fourth proportional to 76,375.34, 114,573.06 and 28,337.40 is: 42,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,375.34 : 114,573.06 = 28,337.40 : x
  2. Step 2: Convert to fraction form
    76,375.34/114,573.06 = 28,337.40/x
  3. Step 3: Cross multiply
    76,375.34x = 114,573.06 × 28,337.40
  4. Step 4: Simplify right side
    76,375.34x = 3,246,702,630.44
  5. Step 5: Solve for x
    x = 3,246,702,630.44/76,375.34
  6. Step 6: Final answer
    x = 42,509.83

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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.