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Finding the Fourth Proportional to 88,463.80, 122,072.01 and 52,648.03

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Solution

The fourth proportional to 88,463.80, 122,072.01 and 52,648.03 is: 72,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,463.80 : 122,072.01 = 52,648.03 : x
  2. Step 2: Convert to fraction form
    88,463.80/122,072.01 = 52,648.03/x
  3. Step 3: Cross multiply
    88,463.80x = 122,072.01 × 52,648.03
  4. Step 4: Simplify right side
    88,463.80x = 6,426,850,844.64
  5. Step 5: Solve for x
    x = 6,426,850,844.64/88,463.80
  6. Step 6: Final answer
    x = 72,649.50

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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.