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Finding the Fourth Proportional to 63,984.50, 88,245.48 and 48,041.28

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Solution

The fourth proportional to 63,984.50, 88,245.48 and 48,041.28 is: 66,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,984.50 : 88,245.48 = 48,041.28 : x
  2. Step 2: Convert to fraction form
    63,984.50/88,245.48 = 48,041.28/x
  3. Step 3: Cross multiply
    63,984.50x = 88,245.48 × 48,041.28
  4. Step 4: Simplify right side
    63,984.50x = 4,239,425,813.41
  5. Step 5: Solve for x
    x = 4,239,425,813.41/63,984.50
  6. Step 6: Final answer
    x = 66,257.07

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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.