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Finding the Fourth Proportional to 64,364.15, 88,827.77 and 35,692.80

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Solution

The fourth proportional to 64,364.15, 88,827.77 and 35,692.80 is: 49,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,364.15 : 88,827.77 = 35,692.80 : x
  2. Step 2: Convert to fraction form
    64,364.15/88,827.77 = 35,692.80/x
  3. Step 3: Cross multiply
    64,364.15x = 88,827.77 × 35,692.80
  4. Step 4: Simplify right side
    64,364.15x = 3,170,511,829.06
  5. Step 5: Solve for x
    x = 3,170,511,829.06/64,364.15
  6. Step 6: Final answer
    x = 49,258.97

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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.