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Finding the Fourth Proportional to 64,134.78, 96,203.86 and 30,392.88

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Solution

The fourth proportional to 64,134.78, 96,203.86 and 30,392.88 is: 45,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,134.78 : 96,203.86 = 30,392.88 : x
  2. Step 2: Convert to fraction form
    64,134.78/96,203.86 = 30,392.88/x
  3. Step 3: Cross multiply
    64,134.78x = 96,203.86 × 30,392.88
  4. Step 4: Simplify right side
    64,134.78x = 2,923,912,372.52
  5. Step 5: Solve for x
    x = 2,923,912,372.52/64,134.78
  6. Step 6: Final answer
    x = 45,590.12

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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.