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Finding the Fourth Proportional to 56,321.67, 84,412.27 and 49,284.97

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Solution

The fourth proportional to 56,321.67, 84,412.27 and 49,284.97 is: 73,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,321.67 : 84,412.27 = 49,284.97 : x
  2. Step 2: Convert to fraction form
    56,321.67/84,412.27 = 49,284.97/x
  3. Step 3: Cross multiply
    56,321.67x = 84,412.27 × 49,284.97
  4. Step 4: Simplify right side
    56,321.67x = 4,160,256,194.58
  5. Step 5: Solve for x
    x = 4,160,256,194.58/56,321.67
  6. Step 6: Final answer
    x = 73,865.99

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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.