Home / 97,953.52-146,909.46-31,375.78

Finding the Fourth Proportional to 97,953.52, 146,909.46 and 31,375.78

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Solution

The fourth proportional to 97,953.52, 146,909.46 and 31,375.78 is: 47,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,953.52 : 146,909.46 = 31,375.78 : x
  2. Step 2: Convert to fraction form
    97,953.52/146,909.46 = 31,375.78/x
  3. Step 3: Cross multiply
    97,953.52x = 146,909.46 × 31,375.78
  4. Step 4: Simplify right side
    97,953.52x = 4,609,398,896.88
  5. Step 5: Solve for x
    x = 4,609,398,896.88/97,953.52
  6. Step 6: Final answer
    x = 47,057.00

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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.