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Finding the Fourth Proportional to 62,649.96, 86,571.48 and 45,624.54

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Solution

The fourth proportional to 62,649.96, 86,571.48 and 45,624.54 is: 63,045.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,649.96 : 86,571.48 = 45,624.54 : x
  2. Step 2: Convert to fraction form
    62,649.96/86,571.48 = 45,624.54/x
  3. Step 3: Cross multiply
    62,649.96x = 86,571.48 × 45,624.54
  4. Step 4: Simplify right side
    62,649.96x = 3,949,783,952.12
  5. Step 5: Solve for x
    x = 3,949,783,952.12/62,649.96
  6. Step 6: Final answer
    x = 63,045.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.