Home / 63,632.50-95,424.75-51,121.78

Finding the Fourth Proportional to 63,632.50, 95,424.75 and 51,121.78

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Solution

The fourth proportional to 63,632.50, 95,424.75 and 51,121.78 is: 76,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,632.50 : 95,424.75 = 51,121.78 : x
  2. Step 2: Convert to fraction form
    63,632.50/95,424.75 = 51,121.78/x
  3. Step 3: Cross multiply
    63,632.50x = 95,424.75 × 51,121.78
  4. Step 4: Simplify right side
    63,632.50x = 4,878,283,076.06
  5. Step 5: Solve for x
    x = 4,878,283,076.06/63,632.50
  6. Step 6: Final answer
    x = 76,663.39

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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.